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Holographic interferences in strong-field ionization beyond the dipole approximation: The influence of the peak and focal-volume-averaged laser intensities

B. Willenberg, J. Maurer, U. Keller, J. Daněk, M. Klaiber, N. Teeny, K.Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 100, 033417 (2019)

Energy of the 229Th nuclear clock transition

B. Seiferle, L. von der Wense, P. V. Bilous, I. Amersdorffer, C. Lemell, F. Libisch, S. Stellmer, T. Schumm, C. E. Düllmann, A. Pálffy, and P. G. Thirolf
Nature 573, 243-246 (2019)

Nonlinear Coherence Effects in Transient-Absorption Ion Spectroscopy with Stochastic Extreme-Ultraviolet Free-Electron Laser Pulses

T. Ding, M. Rebholz, L. Aufleger, M. Hartmann, K. Meyer, V. Stooß, A. Magunia, D. Wachs, P. Birk, Y. Mi, G. D. Borisova, C. da Costa Castanheira, P. Rupprecht, Z. Loh, A. R. Attar, T. Gaumnitz, S. Roling, M. Butz, H. Zacharias, S. Düsterer, R. Treusch, S. Cavaletto, C. Ott, and T. Pfeifer
Physical Review Letters 123, 103001 (2019)

Investigation of two-photon emission in strong field QED using channeling in a crystal

T. N. Wistisen
Physical Review D 100, 036002 (2019)

g Factor of Boronlike Argon 40Ar13+

I. Arapoglou, A. Egl, M. Höcker, T. Sailer, B. Tu, A. Weigel, R. Wolf, H. Cakir, V. A. Yerokhin, N. Oreshkina, V. A. Agababaev, A. V. Volotka, D. V. Zinenko, D. A. Glazov, Z. Harman, C. H. Keitel, S. Sturm, and K. Blaum
Physical Review Letters 122, 253001 (2019)

Complete treatment of single-photon emission in planar channeling

T. N. Wistisen and A. Di Piazza
Physical Review D 99, 116010 (2019)

93mMo Isomer Depletion via Beam-Based Nuclear Excitation by Electron Capture

Y. Wu, C. H. Keitel, and A. Pálffy
Physical Review Letters 122, 212501 (2019)

Polarized Laser-WakeField-Accelerated Kiloampere Electron Beams

M. Wen, M. Tamburini, and C. H. Keitel
Physical Review Letters 122, 214801 (2019)

Semiclassical limitations for photon emission in strong external fields

E. Raicher, S. Eliezer, C. H. Keitel, and K. Z. Hatsagortsyan
Physical Review A 99, 052513 (2019)

Polarized Light from the Transportation of a Matter-Antimatter Beam in a Plasma

U. Sinha, C. H. Keitel, and N. Kumar
Physical Review Letters 122, 204801 (2019)

Collisionless shock acceleration of quasimonoenergetic ions in ultrarelativistic regime

S. Bhadoria and N. Kumar
Physical Review E 99, 043205 (2019)

Theoretical Predictions for the Magnetic Dipole Moment of 229mTh

N. Minkov and A. Pálffy
Physical Review Letters 122, 162502 (2019)

Ultrarelativistic Electron-Beam Polarization in Single-Shot Interaction with an Ultraintense Laser Pulse

Y. Li, R. Shaisultanov, K. Z. Hatsagortsyan, F. Wan, C. H. Keitel, and J. Li
Physical Review Letters 122, 154801 (2019)

High-energy behavior of strong-field QED in an intense plane wave

T. Podszus and A. Di Piazza
Physical Review D 99, 076004 (2019)

Nonlinear Compton scattering of an ultraintense laser pulse in a plasma

F. Mackenroth, N. Kumar, N. Neitz, and C. H. Keitel
Physical Review E 99, 033205 (2019)

Generation of twisted γ-ray radiation by nonlinear Thomson scattering of twisted light

Y. Chen, K. Z. Hatsagortsyan, and C. H. Keitel
Matter and Radiation at Extremes 4, 024401 (2019)

Improved local-constant-field approximation for strong-field QED codes

A. Di Piazza, M. Tamburini, S. Meuren, and C. H. Keitel
Physical Review A 99, 022125 (2019)

On quantum electrodynamic processes in plasmas interacting with strong lasers

A. Angioi and A. Di Piazza
Rendiconti Lincei 30, 17-23 (2019)

Role of high ponderomotive energy in laser-induced nonsequential double ionization

T. Shaaran, N. Camus, J. Dura, L. Fechner, A. Thai, A. Britz, M. Baudisch, T. Steinle, A. Senftleben, C. D. Schröter, J. Ullrich, T. Pfeifer, C. H. Keitel, J. Biegert, K. Z. Hatsagortsyan, and R. Moshammer
Physical Review A 99, 023421 (2019)

Determining the carrier-envelope phase of relativistic laser pulses via electron-momentum distribution

Y. Li, J. Li, K. Z. Hatsagortsyan, Y. Zhao, B. Zhang, Y. Li, Y. Liu, Z. Zhang, Z. Xu, and C. H. Keitel
Physical Review A 99, 013850 (2019)

Light-induced states in the transient-absorption spectrum of a periodically pumped strong-field-excited system

J. Haug and S. Cavaletto
Physical Review A 99, 013434 (2019)

Probing Quantum Dynamical Couple Correlations with Time-Domain Interferometry

S. Castrignano and J. Evers
Physical Review Letters 122, 025301 (2019)

Resonance strengths for KLL dielectronic recombination of highly charged mercury ions and improved empirical Z-scaling law

Z. Harman, C. Shah, A. J. González Martínez, U. D. Jentschura, H. Tawara, C. H. Keitel, J. H. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 99, 012506 (2019)

Ultraintense attosecond pulse emission from relativistic laser-plasma interaction

S. Tang and N. Kumar
Plasma Physics and Controlled Fusion 61, 025013 (2019)

Nonlinear trident pair production in an arbitrary plane wave: A focus on the properties of the transition amplitude

F. Mackenroth and A. Di Piazza
Physical Review D 98, 116002 (2018)

High-energy direct photoelectron spectroscopy in strong-field ionization

P. He, M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 98, 053428 (2018)

Electron-angular-distribution reshaping in the quantum radiation-dominated regime

Y. Li, Y. Zhao, K. Z. Hatsagortsyan, C. H. Keitel, and J. Li
Physical Review A 98, 052120 (2018)

Real-Time Reconstruction of the Strong-Field-Driven Dipole Response

V. Stooß, S. Cavaletto, S. Donsa, A. Blättermann, P. Birk, C. H. Keitel, I. Brezinová, J. Burgdörfer, C. R. Ott, and T. Pfeifer
Physical Review Letters 121, 173005 (2018)

Impact of the quantized transverse motion on radiation emission in a Dirac harmonic oscillator

T. N. Wistisen and A. Di Piazza
Physical Review A 98, 022131 (2018)

γ-Ray Beams with Large Orbital Angular Momentum via Nonlinear Compton Scattering with Radiation Reaction

Y. Chen, J. Li, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 121, 074801 (2018)

Coulomb effect in laser-induced recollision excitation

T. Shaaran, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 98, 023410 (2018)

Towards realistic simulations of QED cascades: Non-ideal laser and electron seeding effects

A. Sampath and M. Tamburini
Physics of Plasmas 25, 083104 (2018)

Implementing nonlinear Compton scattering beyond the local-constant-field approximation

A. Di Piazza, M. Tamburini, S. Meuren, and C. H. Keitel
Physical Review A 98, 012134 (2018)

Generation of Short Hard-X-Ray Pulses of Tailored Duration Using a Mössbauer Source

G. Wang and W. Liao
Physical Review Applied 10, 014003 (2018)

Quantum Limitation to the Coherent Emission of Accelerated Charges

A. Angioi and A. Di Piazza
Physical Review Letters 121, 010402 (2018)

Experimental Signatures of the Quantum Nature of Radiation Reaction in the Field of an Ultraintense Laser

K. Poder, M. Tamburini, G. Sarri, A. Di Piazza, S. Kuschel, C. D. Baird, K. Behm, S. Bohlen, J. M. Cole, D. J. Corvan, M. Duff, E. Gerstmayr, C. H. Keitel, K. Krushelnick, S. P. D. Mangles, P. McKenna, C. D. Murphy, Z. Najmudin, C. P. Ridgers, G. M. Samarin, D. R. Symes, A. G. R. Thomas, J. Warwick, and M. Zepf
Physical Review X 8, 031004 (2018)

X-ray-frequency modulation via periodic switching of an external magnetic field

G. N. Ramien, J. Gunst, X. Kong, and A. Pálffy
Physical Review A 97, 063858 (2018)

Nuclear excitation by electron capture in optical-laser-generated plasmas

J. Gunst, Y. Wu, C. H. Keitel, and A. Pálffy
Physical Review E 97, 063205 (2018)

Analytical approach to Coulomb focusing in strong-field ionization. I. Nondipole effects

J. Daněk, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 97, 063409 (2018)

Analytical approach to Coulomb focusing in strong-field ionization. II. Multiple recollisions

J. Daněk, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 97, 063410 (2018)

Analytical infrared limit of nonlinear Thomson scattering including radiation reaction

A. Di Piazza
Physics Letters B 782, 559-565 (2018)

Interplay between Coulomb-focusing and non-dipole effects in strong-field ionization with elliptical polarization

J. Daněk, M. Klaiber, K. Z. Hatsagortsyan, C. H. Keitel, B. Willenberg, J. Mauer, B. W. Mayer, C. R. Phillips, L. Gallmann, and U. Keller
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 114001 (2018)

Electric quadrupole channel of the 7.8 eV 229Th transition

P. V. Bilous, N. Minkov, and A. Pálffy
Physical Review C 97, 044320 (2018)

Giant collimated gamma-ray flashes

A. Benedetti, M. Tamburini, and C. H. Keitel
Nature Photonics 12, 319-323 (2018)

Completeness and orthonormality of the Volkov states and the Volkov propagator in configuration space

A. Di Piazza
Physical Review D 97, 056028 (2018)

Single-Shot Carrier-Envelope Phase Determination of Long Superintense Laser Pulses

J. Li, Y. Chen, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 120, 124803 (2018)

Experimental evidence of quantum radiation reaction in aligned crystals

T. N. Wistisen, A. Di Piazza, H. V. Knudsen, and U. I. Uggerhøj
Nature Communications 9, 795 (2018)

Tailoring Laser-Generated Plasmas for Efficient Nuclear Excitation by Electron Capture

Y. Wu, J. Gunst, C. H. Keitel, and A. Pálffy
Physical Review Letters 120, 052504 (2018)

Probing the ionization wave packet and recollision dynamics with an elliptically polarized strong laser field in the nondipole regime

J. Mauer, B. Willenberg, J. Daněk, B. W. Mayer, C. R. Phillips, L. Gallmann, M. Klaiber, K. Z. Hatsagortsyan, C. H. Keitel, and U. Keller
Physical Review A 97, 013404 (2018)

Laser-induced electronic bridge for characterization of the 229mTh → 229gTh nuclear transition with a tunable optical laser with a tunable optical laser

P. Bilous, E. Peik, and A. Pálffy
New Journal of Physics 20, 013016 (2018)

Transient-absorption phases with strong probe and pump pulses

V. Becquet and S. Cavaletto
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 035501 (2018)

Under-the-Tunneling-Barrier Recollisions in Strong-Field Ionization

M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 120, 013201 (2018)

Manipulation of the Vacuum to Control Its Field-Induced Decay

Q. Z. Lv, Q. Su, and R. Grobe
Physical Review Letters 121, 183606 (2018)

Improving the accuracy of the muon mass and magnetic moment anomaly via the bound-muon g factor

B. Sikora, H. Cakir, N. Michel, V. Debierre, N. Oreshkina, N. Belov, V. A. Yerokhin, C. H. Keitel, and Z. Harman
Physical Review D 97, 111301(R) (2018)

Fields of a Bessel-Bessel light bullet of arbitrary order in an under-dense plasma

Y. Salamin
Scientific Reports 8, 11362 (2018)

Finite nuclear size effect to the fine structure of heavy muonic atoms

A. S. M. Patoary and N. Oreshkina
European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 72, 54 (2018)

Role of the spatial inhomogeneity on the laser-induced vacuum decay

Q. Z. Lv, S. Dong, Y. T. Li, Z. M. Sheng, Q. Su, and R. Grobe
Physical Review A 97, 022515 (2018)

Conditions for anti-Zeno-effect observation in free-space atomic radiative decay

E. Lassalle, C. Champenois, B. Stout, V. Debierre, and T. Durt
Physical Review A 97, 062122 (2018)

Quantum-mechanical approach to the laser-assisted vacuum decay

Q. Z. Lv, S. Dong, C. Lisowski, R. Pelphrey, Y. T. Li, Q. Su, and R. Grobe
Physical Review A 97, 053416 (2018)

Collective effects in 229Th-doped crystals

B. Nickerson, W. Liao, and A. Pálffy
Physical Review A 98, 062520 (2018)

High-Energy Vacuum Birefringence and Dichroism in an Ultrastrong Laser Field

S. Bragin, S. Meuren, C. H. Keitel, and A. Di Piazza
Physical Review Letters 119, 250403 (2017)

Amplifying ultraweak transitions in collective systems via quantum interference

N. Cui and M. Macovei
Physical Review A 96, 063814 (2017)

Analytic model of a multi-electron atom

O. Skoromnik, I. D. Feranchuk, A. U. Leonau, and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 50, 245007 (2017)

Analytic approximation for eigenvalues of a class of PT symmetric Hamiltonians

O. Skoromnik and I. D. Feranchuk
Physical Review A 96, 052102 (2017)

Scharfe Röntgenpulse durch ruckartige Bewegung

K. P. Heeg and J. Evers
Physik in unserer Zeit 48, 267-268 (2017)

A laser excitation scheme for 229mTh

L. von der Wense, B. Seiferle, S. Stellmer, J. Weitenberg, G. Kazakov, A. Pálffy, and P. G. Thirolf
Physical Review Letters 119, 132503 (2017)

Time- and space-resolved selective multipair creation

Q. Z. Lv and H. Bauke
Physical Review D 96, 056017 (2017)

Radical increase of the parametric X-ray intensity under condition of extremely asymmetric diffraction

O. Skoromnik, V. G. Baryshevsky, A. P. Ulyanenkov, and I. D. Feranchuk
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 412, 86-92 (2017)

Collective radiation spectrum for ensembles with Zeeman splitting in single-photon superradiance

X. Kong and A. Pálffy
Physical Review A 96, 033819 (2017)

Noninvasive measurement of dynamic correlation functions

P. Uhrich, S. Castrignano, H. Uys, and M. Kastner
Physical Review A 96, 022127 (2017)

Spectral narrowing of x-ray pulses for precision spectroscopy with nuclear resonances

K. P. Heeg, A. Kaldun, C. Strohm, P. Reiser, C. R. Ott, R. Subramanian, D. Lentrodt, J. Haber, H.-C. Wille, S. Goerttler, R. Rüffer, C. H. Keitel, R. Röhlsberger, T. Pfeifer, and J. Evers
Science 357, 375-378 (2017)

Laser-pulse-shape control of seeded QED cascades

M. Tamburini, A. Di Piazza, and C. H. Keitel
Scientific Reports 7, 5694 (2017)

Experimental Evidence for Quantum Tunneling Time

N. Camus, E. Yakaboylu, L. Fechner, M. Klaiber, M. Laux, Y. Mi, K. Z. Hatsagortsyan, T. Pfeifer, C. H. Keitel, and R. Moshammer
Physical Review Letters 119, 023201 (2017)

Extraction of the electron mass from g-factor measurements on light hydrogenlike ions.

J. Zatorski, B. Sikora, S. G. Karshenboim, S. Sturm, F. Köhler, K. Blaum, C. H. Keitel, and Z. Harman
Physical Review A 96, 012502 (2017)

Plasma high-order-harmonic generation from ultraintense laser pulses

S. Tang, N. Kumar, and C. H. Keitel
Physical Review E 95, 051201(R) (2017)

Deterministic strong-field quantum control

S. Cavaletto, Z. Harman, T. Pfeifer, and C. H. Keitel
Physical Review A 95, 043413 (2017)

Spin-one-half particles in strong electromagnetic fields: Spin effects and radiation reaction

M. Wen, C. H. Keitel, and H. Bauke
Physical Review A 95, 042102 (2017)

Optomechanically induced transparency of x-rays via optical control

W. Liao and A. Pálffy
Scientific Reports 7, 321 (2017)

Determination of Plasma Screening Effects for Thermonuclear Reactions in Laser-generated Plasmas

Y. Wu and A. Pálffy
The Astrophysical Journal 838, 55 (2017)

Internal conversion from excited electronic states of 229Th ions

P. V. Bilous, G. A. Kazakov, I. D. Moore, T. Schumm, and A. Pálffy
Physical Review A 95, 032503 (2017)

First-order strong-field QED processes in a tightly focused laser beam

A. Di Piazza
Physical Review A 95, 032121 (2017)

Limits of Strong Field Rescattering in the Relativistic Regime

M. Klaiber, K. Z. Hatsagortsyan, J. Wu, S. S. Luo, P. Grugan, and B. C. Walker
Physical Review Letters 118, 093001 (2017)

Investigation of classical radiation reaction with aligned crystals

A. Di Piazza, T. N. Wistisen, and U. I. Uggerhøj
Physics Letters B 765, 1-5 (2017)

Fast phonon dynamics of a nanomechanical oscillator due to cooperative effects

V. Ceban, P. Longo, and M. Macovei
Physical Review A 95, 023806 (2017)

Strong-field ionization via a high-order Coulomb-corrected strong-field approximation

M. Klaiber, J. Daněk, E. Yakaboylu, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 95, 023403 (2017)

Observation and quantification of the quantum dynamics of a strongfield excited multi-level system

Z. Liu, Q. Wang, J. Ding, S. Cavaletto, T. Pfeifer, and B. Hu
Scientific Reports 7, 39993 (2017)

Collective dynamics in a laser-pumped mixture of two atomic ensembles

L. Jin, J. Evers, and M. Macovei
Journal of the Optical Society of America B-Optical Physics 34, 1280-1285 (2017)

Angle-resolved stochastic photon emission in the quantum radiation-dominated regime

J. Li, Y. Chen, K. Z. Hatsagortsyan, and C. H. Keitel
Scientific Reports 7, 11556 (2017)

Maxwell meets Reeh-Schlieder: The quantum mechanics of neutral bosons

M. Hawton and V. Debierre
Physics Letters. A 381, 1926-1935 (2017)

Journeys from quantum optics to quantum technology

S. M. Barnett, A. Beige, A. Ekert, B. M. Garraway, C. H. Keitel, V. Kendon, M. Lein, G. J. Milburn, H. M. Moya-Cessa, M. Murao, J. K. Pachos, G. M. Palma, E. Paspalakis, S. J. D. Phoenix, B. Piraux, M. B. Plenio, B. C. Sanders, J. Twamley, A. Vidiella-Barranco, and M. S. Kim
Progress in Quantum Electronics 54, 19-45 (2017)

Laser-induced blurring of molecular structure information in high harmonic spectroscopy

F. Risoud, C. Leveque, M. Labeye, J. Caillat, A. Maquet, P. Salieres, R. Taieb, and T. Shaaran
Scientific Reports 7, 17302 (2017)

Hyperfine splitting in simple ions for the search of the variation of fundamental constants

N. Oreshkina, S. Cavaletto, N. Michel, Z. Harman, and C. H. Keitel
Physical Review A 96, 030501(R) (2017)

Rabi oscillations of X-ray radiation between two nuclear ensembles

J. Haber, X. Kong, C. Strohm, S. Willing, J. Gollwitzer, L. Bocklage, R. Ruffer, A. Pálffy, and R. Roehlsberger
Nature Photonics 11, 720-725 (2017)

Electromagnetic fields of an ultra-short tightly-focused radially-polarized laser pulse

Y. I. Salamin and J. Li
Optics Communications 405, 265-270 (2017)

Theoretical prediction of the fine and hyperfine structure of heavy muonic atoms

N. Michel, N. Oreshkina, and C. H. Keitel
Physical Review A 96, 032510 (2017)

Attosecond physics at the nanoscale

M. F. Ciappina, J. A. Perez-Hernandez, A. S. Landsman, W. A. Okell, S. Zherebtsov, B. Foerg, J. Schoetz, L. Seiffert, T. Fennel, T. Shaaran, T. Zimmermann, A. Chacon, R. Guichard, A. Zaier, J. W. G. Tisch, J. P. Marangos, T. Witting, A. Braun, S. A. Maier, L. Roso, M. Krueger, P. Hommelhoff, M. F. Kling, F. Krausz, and M. Lewenstein
Reports on Progress in Physics 80, 054401 (2017)

One-loop electron self-energy for the bound-electron g factor

V. A. Yerokhin and Z. Harman
Physical Review A 95, 060501(R) (2017)

Electron-correlation effects in the g factor of light Li-like ions

V. A. Yerokhin, K. Pachucki, M. Puchalski, Z. Harman, and C. H. Keitel
Physical Review A 95, 062511 (2017)

Field redistribution inside an X-ray cavity-QED setup

X. Huang, W. Li, X. Kong, and L. Zhu
Optics Express 25, 31337-31346 (2017)

Resonance fluorescence in the resolvent-operator formalism

V. Debierre and Z. Harman
Physical Review A 96, 043835 (2017)

X-ray quantum-eraser setup for time-energy complementarity

J. Gunst and A. Pálffy
Physical Review A 94, 063849 (2016)

Nonlinear Breit-Wheeler Pair Production in a Tightly Focused Laser Beam

A. Di Piazza
Physical Review Letters 117, 213201 (2016)

Minicharged particles search by strong laser pulse-induced vacuum polarization effects

S. Villalba-Chávez, S. Meuren, and C. Müller
Physics Letters B 763, 445-453 (2016)

Crossover from tunneling to multiphoton ionization of atoms

M. Klaiber and J. S Briggs
Physical Review A 94, 053405 (2016)

Physical background for parameters of the quantum Rabi model

I. D. Feranchuk, A. V. Leonov, and O. Skoromnik
Journal of Physics A: Mathematical and Theoretical 49, 454001 (2016)

X-ray-generated heralded macroscopical quantum entanglement of two nuclear ensembles

W. Liao, C. H. Keitel, and A. Pálffy
Scientific Reports 6, 33361 (2016)

Parity violation effects in the Josephson junction of a p-wave superconductor

N. Belov and Z. Harman
Physics Letters. A 380, 3690-3695 (2016)

Nonlocal nonlinear response of thermal Rydberg atoms and modulational instability in an absorptive nonlinear medium

L. Zhang and J. Evers
Physical Review A 94, 033402 (2016)

Path to AWAKE: Evolution of the concept

A. Caldwell, E. Adli, L. Amorim, R. Apsimon, T. Argyropoulos, R. Assmann, A. -M. Bachmann, E. Batsch, J. Bauche, V. K. B. Olsen, M. Bernardini, R. Bingham, B. Biskup, T. Bohl, C. Bracco, P. N. Burrows, G. Burt, B. Buttenschoen, A. Butterworth, M. Cascella, S. Chattopadhyay, E. Chevallay, S. Cipiccia, H. Damerau, L. Deacon, R. Dirksen, S. Doebert, U. Dorda, E. Eisen, J. Farmer, S. Fartoukh, V. Fedosseev, E. Feldbaumer, R. Fiorito, R. Fonseca, F. Friebel, G. Geschonke, B. Goddard, A. A. Gorn, O. Grulke, E. Gschwendtner, J. Hansen, C. Hessler, S. Hillenbrand, W. Hofle, J. Holloway, C. Huang, M. Huether, D. Jaroszynski, L. Jensen, S. Jolly, A. Joulaei, M. Kasim, F. Keeble, R. Kersevan, N. Kumar, Y. Li, S. Liu, N. Lopes, K. V. Lotov, W. Lu, J. Machacek, S. Mandry, I. Martin, R. Martorelli, M. Martyanov, S. Mazzoni, M. Meddahi, L. Merminga, O. Mete, V. A. Minakov, J. Mitchell, J. Moody, A. -S. Mueller, Z. Najmudin, T. C. Q. Noakes, P. Norreys, J. Osterhoff, E. Oez, A. Pardons, K. Pepitone, A. Petrenko, G. Plyushchev, J. Pozimski, A. Pukhov, O. Reimann, K. Rieger, S. Roesler, H. Ruhl, T. Rusnak, E. Salveter, N. Savard, J. Schmidt, H. von der Schmitt, A. Seryi, E. Shaposhnikova, Z. M. Sheng, R. Sherwood, L. Silva, F. Simon, L. Soby, A. P. Sosedkin, R. I. Spitsyn, T. Tajima, R. Tarkeshian, H. Timko, R. Trines, T. Tueckmantel, P. V. Tuev, M. Turner, E. Velotti, V. Verzilov, J. Vieira, H. Vincke, Y. Wei, C. P. Welsch, M. Wing, G. Xia, V. Yakimenko, H. Zhang, and F. Zimmermann
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 829, 3-16 (2016)

Identifying the Stern-Gerlach force of classical electron dynamics

M. Wen, H. Bauke, and C. H. Keitel
Scientific Reports 6, 31624 (2016)

Virtual-detector approach to tunnel ionization and tunneling times

N. Teeny, C. H. Keitel, and H. Bauke
Physical Review A 94, 022104 (2016)

Weighted difference of g factors of light Li-like and H-like ions for an improved determination of the fine-structure constant

V. A. Yerokhin, E. Berseneva, Z. Harman, I. I. Tupitsyn, and C. H. Keitel
Physical Review A 94, 022502 (2016)

Multi-pair states in electron-positron pair creation

A. Wöllert, H. Bauke, and C. H. Keitel
Physics Letters B 760, 552-557 (2016)

Stopping Narrow-Band X-Ray Pulses in Nuclear Media

X. Kong and A. Pálffy
Physical Review Letters 116, 197402 (2016)

Nonlinear single Compton scattering of an electron wave packet

A. Angioi, F. Mackenroth, and A. Di Piazza
Physical Review A 93, 052102 (2016)

Logical operations with single x-ray photons via dynamically-controlled nuclear resonances

J. Gunst, C. H. Keitel, and A. Pálffy
Scientific Reports 6, 25136 (2016)

Cavity quantum interferences with three-level atoms

V. Ceban and M. Macovei
Journal of the Optical Society of America B-Optical Physics 33, 942-946 (2016)

Semiclassical picture for electron-positron photoproduction in strong laser fields

S. Meuren, C. H. Keitel, and A. Di Piazza
Physical Review D 93, 085028 (2016)

Tailoring superradiance to design artificial quantum systems

P. Longo, C. H. Keitel, and J. Evers
Scientific Reports 6, 23628 (2016)

Rate equations for nitrogen molecules in ultrashort and intense x-ray pulses

J. Liu, N. Berrah, L. S. Cederbaum, J. P. Cryan, J. M. Glownia, K. J. Schafer, and C. Buth
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 075602 (2016)

g Factor of Light Ions for an Improved Determination of the Fine-Structure Constant

V. A. Yerokhin, E. Berseneva, Z. Harman, I. I. Tupitsyn, and C. H. Keitel
Physical Review Letters 116, 100801 (2016)

Fields of an ultrashort tightly focused laser pulse

J. Li, Y. Salamin, K. Z. Hatsagortsyan, and C. H. Keitel
Journal of the Optical Society of America B-Optical Physics 33, 405-411 (2016)

Ionization Time and Exit Momentum in Strong-Field Tunnel Ionization

N. Teeny, E. Yakaboylu, H. Bauke, and C. H. Keitel
Physical Review Letters 116, 063003 (2016)

Pair creation in heavy ion channeling

N. Belov and Z. Harman
Physics Letters B 755, 150-154 (2016)

Bosonic pair creation and the Schiff-Snyder-Weinberg effect

Q. Z. Lv, H. Bauke, Q. Su, C. H. Keitel, and R. Grobe
Physical Review A 93, 012119 (2016)

Molecular wave-packet dynamics on laser-controlled transition states

A. Fischer, M. Gärttner, P. Cörlin, A. G. Sperl, M. Schönwald, T. Mizuno, G. Sansone, A. Senftleben, J. Ullrich, B. Feuerstein, T. Pfeifer, and R. Moshammer
Physical Review A 93, 012507 (2016)

High Field Physics and QED Experiments at ELI-NP

I.C.E. Turcu, F. Negoita, D.A. Jaroszynski, P. McKenna, S. Balascuta, D. Ursescu, I. Dancus, M.O. Cernaianu, M.V. Tataru, P. Ghenuche, D. Stutman, A. Boianu, M. Risca, M. Toma, C. Petcu, G. Acbas, S.R. Yoffe, A. Noble, B. Ersfeld, E. Brunetti, R. Capdessus, C. Murphy, C.P. Ridgers, D. Neely, S.P.D. Mangles, R. J. Gray, A.G.R. Thomas, J. G Kirk, A. Ilderton, M. Marklund, D.F. Gordon, B. Hafizi, D. Kaganovich, J.P. Palastro, E. D’Humieres, M. Zepf, G. Sarri, H. Gies, F. Karbstein, J. Schreiber, G.G. Paulus, B. Dromey, C. Harvey, A. Di Piazza, C. H. Keitel, M.C. Kaluza, S. Gales, and N.V. Zamfir
Romanian Reports in Physics 68, S145-S231 (2016)

Physical and mathematical justification of the numerical Brillouin zone integration of the Boltzmann rate equation by Gaussian smearing

C. Illg, M. Haag, N. Teeny, J. Wirth, and M. Fähnle
Journal of Theoretical and Applied Physics 10, 1-6 (2015)

Regularization of ultraviolet divergence for a particle interacting with a scalar quantum field

O. Skoromnik, I. D. Feranchuk, D. V. Lu, and C. H. Keitel
Physical Review D 92, 125019 (2015)

Direct and secondary nuclear excitation with x-ray free-electron lasers

J. Gunst, Y. Wu, N. Kumar, C. H. Keitel, and A. Pálffy
Physics of Plasmas 22, 112706 (2015)

Attosecond Gamma-Ray Pulses via Nonlinear Compton Scattering in the Radiation-Dominated Regime

J. Li, K. Z. Hatsagortsyan, B. J. Galow, and C. H. Keitel
Physical Review Letters 115, 204801 (2015)

Electromagnetically-induced-transparency–like phenomenon with resonant meta-atoms in a cavity

Y. Hu, W. Liu, S. Yong, S. Xi, J. Jun, Y. Yaping, Z. Shiyao, J. Evers, and C. Hong
Physical Review A 92, 053824 (2015)

X-Ray physics: Straight outta Compton

A. Pálffy
Nature Physics 11, 893-894 (2015)

Influence of ion movement in a particle trap on the bound electron g factor

N. Michel, J. Zatorski, and C. H. Keitel
Physical Review A 92, 052509 (2015)

Laser-nucleus interactions: The quasi-adiabatic regime

A. Pálffy, O. Buss, A. Hoefer, and H. A. Weidenmüller
Physical Review C 92, 044619 (2015)

Spin effects in Kapitza-Dirac scattering at light with elliptical polarization

R. Erhard and H. Bauke
Physical Review A 92, 042123 (2015)

High-order harmonic generation with resonant core excitation by ultraintense X-rays

C. Buth
European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 69, 234 (2015)

Pulse splitting in light propagation through N-type atomic media due to an interplay of Kerr nonlinearity and group-velocity dispersion

R. K. V., T. N. Dey, J. Evers, and M. Kiffner
Physical Review A 92, 023840 (2015)

Momentum partition between constituents of exotic atoms during laser-induced tunneling ionization

D. Cricchio, E. Fiordilino, and K. Z. Hatsagortsyan
Physical Review A 92, 023408 (2015)

Overview of laser-driven generation of electron-positron beams

G. Sarri, M. E. Dieckmann, I. Kourakis, A. Di Piazza, B. Reville, C. H. Keitel, and M. Zepf
Journal of Plasma Physics 81, 455810401 (2015)

Population inversion in two-level systems possessing permanent dipoles

M. Macovei, M. Mishra, and C. H. Keitel
Physical Review A 92, 013846 (2015)

Phase reconstruction of strong-field excited systems by transient-absorption spectroscopy

Z. Liu, S. Cavaletto, C. R. Ott, K. Meyer, Y. Mi, Z. Harman, C. H. Keitel, and T. Pfeifer
Physical Review Letters 115, 033003 (2015)

Heralded W-state preparation using laser-designed superatoms

M. Gärttner
Physical Review A 92, 013629 (2015)

Feasibility of electron cyclotron autoresonance acceleration by a short terahertz pulse

Y. I. Salamin, J. Li, B. J. Galow, and C. H. Keitel
Optics Express 23, 17560-17567 (2015)

Spin polarized electron-positron pair production via elliptical polarized laser fields

A. Wöllert, H. Bauke, and C. H. Keitel
Physical Review D 91, 125026 (2015)

Nonlinear neutrino-photon interactions inside strong laser pulses

S. Meuren, C. H. Keitel, and A. Di Piazza
Journal of High Energy Physics 2015, 127 (2015)

Above-threshold ionization with highly charged ions in super-strong laser fields: III. Spin effects and its dependence on laser polarization

E. Yakaboylu, M. Klaiber, and K. Z. Hatsagortsyan
Physical Review A 91, 063407 (2015)

Collective effects between multiple nuclear ensembles in an x-ray cavity-QED setup

K. P. Heeg and J. Evers
Physical Review A 91, 063803 (2015)

Spectroscopy of berylliumlike xenon ions using dielectronic recombination

D. Bernhardt, C. Brandau, Z. Harman, C. Kozhuharov, S. Böhm, F. Bosch, S. Fritzsche, J. Jacobi, S. Kieslich, H. Knopp, F. Nolden, W. Shi, Z. Stachura, M. Steck, T.. Stöhlker, S. Schippers, and A. Müller
Journal of Physics B: Atomic, Molecular and Optical Physics 48, 144008 (2015)

Identifications of 5s1/2−5p3/2 and 5s2−5s5p EUV transitions of promethium-like Pt, Ir, Os and Re

H. Bekker, O. O. Versolato, A. Windberger, N. Oreshkina, R. Schupp, T. M. Baumann, Z. Harman, C. H. Keitel, P. O. Schmidt, J. Ullrich, and J. Crespo Lopez-Urrutia
Journal of Physics B 48, 144018 (2015)

Interferometric phase detection at x-ray energies via Fano resonance control

K. P. Heeg, C. R. Ott, D. Schumacher, H. -C. Wille, R. Röhlsberger, T. Pfeifer, and J. Evers
Physical Review Letters 114, 207401 (2015)

Tunable Subluminal Propagation of Narrow-band X-Ray Pulses

K. P. Heeg, J. Haber, D. Schumacher, L. Bocklage, H. -C. Wille, K. S. Schulze, R. Loetzsch, I. Uschmann, G. G. Paulus, R. Rüffer, R. Röhlsberger, and J. Evers
Physical Review Letters 114, 203601 (2015)

Temporal dynamics of stimulated emission with applications in nuclear quantum optics

A. J. Reichegger and J. Evers
Physical Review A 91, 053810 (2015)

Generation of neutral and high-density electron–positron pair plasmas in the laboratory

G. Sarri, K. Poder, J. M. Cole, W. Schumaker, A. Di Piazza, B. Reville, T. Dzelzainis, D. Doria, L. A. Gizzi, G. Grittani, S. Kar, C. H. Keitel, K. Krushelnick, S. Kuschel, S. P. D. Mangles, Z. Najmudin, N. Shukla, L. O. Silva, D. Symes, A. G. R. Thomas, M. Vargas, J. Vieira, and M. Zepf
Nature Communications 6, 6747 (2015)

Identification of the Predicted 5s−4f Level Crossing Optical Lines with Applications to Metrology and Searches for the Variation of Fundamental Constants

A. Windberger, J. R. Crespo López-Urrutia, H. Bekker, N. Oreshkina, J. C. Berengut, V. Bock, A. Borschevsky, V. A. Dzuba, E. Eliav, Z. Harman, U. Kaldor, S. Kaul, U. I. Safronova, V. V. Flambaum, C. H. Keitel, P. O. Schmidt, J. Ullrich, and O. O. Versolato
Physical Review Letters 114, 150801 (2015)

Analytical tools for investigating strong-field QED processes in tightly focused laser fields

A. Di Piazza
Physical Review A 91, 042118 (2015)

High-Energy Recollision Processes of Laser-Generated Electron-Positron Pairs

S. Meuren, K. Z. Hatsagortsyan, C. H. Keitel, and A. Di Piazza
Physical Review Letters 114, 143201 (2015)

Relativistic tunneling picture of electron-positron pair creation

A. Wöllert, M. Klaiber, H. Bauke, and C. H. Keitel
Physical Review D 91, 065022 (2015)

Tunneling Dynamics in Multiphoton Ionization and Attoclock Calibration

M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 114, 083001 (2015)

Gravitational and relativistic deflection of X-ray superradiance

W. Liao and S. Ahrens
Nature Photonics 9, 169-173 (2015)

Ion Acceleration by Short Chirped Laser Pulses

J. Li, B. J. Galow, C. H. Keitel, and Z. Harman
Applied Sciences 5, 36-47 (2015)

Survival of Rydberg atoms in intense laser fields and the role of nondipole effects

M. Klaiber and D. Dimitrovski
Physical Review A 91, 023401 (2015)

Survival of Rydberg atoms in intense laser fields and the role of nondipole effects

M. Klaiber and D. Dimitrovski
Physical Review A: Atomic, Molecular, and Optical Physics 91, 023401 (2015)

Gaussian and Airy wave packets of massive particles with orbital angular momentum

D. Karlovets
Physical Review A: Atomic, Molecular, and Optical Physics 91, 013847 (2015)

High-frequency light reflector via low-frequency light control

D. Wang, S. Zhu, J. Evers, and M. O. Scully
Physical Review A 91, 011801 (2015)

Polarization-operator approach to pair creation in short laser pulses

S. Meuren, K. Z. Hatsagortsyan, C. H. Keitel, and A. Di Piazza
Physical Review D 91, 013009 (2015)

Electron-ion collision spectroscopy: Lithium-like xenon ions

D. Bernhardt, C. Brandau, Z. Harman, C. Kozhuharov, S. Böhm, F. Bosch, S. Fritzsche, J. Jacobi, S. Kieslich, H. Knopp, F. Nolden, W. Shi, Z. Stachura, M. Steck, T.. Stöhlker, S. Schippers, and A. Müller
Physical Review A 91, 012710 (2015)

Probing few-excitation eigenstates of interacting atoms on a lattice by observing their collective light emission in the far field

P. Longo and J. Evers
Physical Review A: Atomic, Molecular, and Optical Physics 90, 063834 (2014)

State-selective high-energy excitation of nuclei by resonant positron annihilation

N. Belov and Z. Harman
Physics Letters B 741, 61-64 (2014)

Spin-asymmetric laser-driven relativistic tunneling from ρ states

M. Klaiber and K. Z. Hatsagortsyan
Physical Review A: Atomic, Molecular, and Optical Physics 90, 063416 (2014)

Collective Excitation of Rydberg-Atom Ensembles beyond the Superatom Model

M. Gärttner, S. Whitlock, D. W. Schönleber, and J. Evers
Physical Review Letters 113, 233002 (2014)

Krylov subspace methods for the Dirac equation

R. Beerwerth and H. Bauke
Computer Physics Communications 188, 189-197 (2014)

Ultrahigh Brilliance Multi-MeV γ-Ray Beams from Nonlinear Relativistic Thomson Scattering

G. Sarri, D. J. Corvan, W. Schumaker, J. Cole, A. Di Piazza, H. Ahmed, C. Harvey, C. H. Keitel, K. Krushelnick, S. P. D. Mangles, Z. Najmudin, D. Symes, A. G. R. Thomas, M. Yeung, Z. Zhao, and M. Zepf
Physical Review Letters 113, 224801 (2014)

Particle production reactions in laser-boosted lepton collisions

S. Müller, C. H. Keitel, and C. Müller
Physical Review D 90, 094008 (2014)

Contributions of dielectronic, trielectronic, and metastable channels to the resonant intershell recombination of highly charged silicon ions

T. M. Baumann, Z. Harman, J. Stark, C. Beilmann, G. Liang, P. Mokler, J. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 90, 052704 (2014)

Electron-spin dynamics in elliptically polarized light waves

H. Bauke, S. Ahrens, and R. Grobe
Physical Review A 90, 052101 (2014)

Laser plasma acceleration of electrons with multi-PW laser beams in the frame of CILEX

B. Cros, B.S. Paradkar, X. Davoine, A. Chancéd, F.G. Desforges, S. Dobosz-Dufrénoy, N. Delerue, J. Jua, T.L. Audeta, G. Maynard, M. Lobet, L. Gremillet, P. Morac, J. Schwindling, O. Delferrière, C. Bruni, C. Rimbault, T. Vinatier, A. Di Piazza, M. Grech, C. Riconda, J.R. Marquèi, A. Beck, A. Speckag, P.. Martin, P. Monot, D. Normand, F. Mathieu, P. Audebert, and F. Amiranoff
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 740, 27-33 (2014)

Cavity-output-field suppression due to interference effects

V. Ciornea and M. Macovei
Physical Review A 90, 043837 (2014)

Quantum dynamics of a two-level emitter with modulated transition frequency

M. Macovei and C. H. Keitel
Physical Review A 90, 043838 (2014)

Electron-spin dynamics induced by photon spins

S. Ahrens, H. Bauke, C. H. Keitel, and R. Grobe
New Journal of Physics 16, 103028 (2014)

Astrophysical line diagnosis requires non-linear dynamical atomic modeling

N. Oreshkina, S. Cavaletto, C. H. Keitel, and Z. Harman
Physical Review Letters 113, 143001 (2014)

All-Electromagnetic Control of Broadband Quantum Excitations Using Gradient Photon Echoes

W. Liao, C. H. Keitel, and A. Pálffy
Physical Review Letters 113, 123602 (2014)

Generation of high-frequency combs locked to atomic resonances by quantum phase modulation

Z. Liu, C. R. Ott, S. Cavaletto, Z. Harman, C. H. Keitel, and T. Pfeifer
New Journal of Physics 16, 093005 (2014)

Nonperturbative Bethe-Heitler pair creation in combined high- and low-frequency laser fields

S. Augustin and C. Müller
Physics Letters B 737, 114-119 (2014)

Uniform phase modulation via control of refractive index in a thermal atom vapor with vanishing diffraction or absorption

L. Zhang and J. Evers
Physical Review A 90, 023826 (2014)

Electron-beam dynamics in a strong laser field including quantum radiation reaction

N. Neitz and A. Di Piazza
Physical Review A 90, 022102 (2014)

The Wigner time delay for laser induced tunnel-ionization via the electron propagator

E. Yakaboylu, M. Klaiber, and K. Z. Hatsagortsyan
Physical Review A 90, 012116 (2014)

Ultrarelativistic electron states in a general background electromagnetic field

A. Di Piazza
Physical Review Letters 113, 040402 (2014)

Robust Signatures of Quantum Radiation Reaction in Focused Ultrashort Laser Pulses

J. Li, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 113, 044801 (2014)

Coupling highly excited nuclei to the atomic shell in dense astrophysical plasmas

S. Helmrich, K. Spenneberg, and A. Pálffy
Physical Review C 90, 015802 (2014)

Plasma-Based Generation and Control of a Single Few-Cycle High-Energy Ultrahigh-Intensity Laser Pulse

M. Tamburini, A. Di Piazza, T. V. Liseykina, and C. H. Keitel
Physical Review Letters 113, 025005 (2014)

Ultrarelativistic quasiclassical wave functions in strong laser and atomic fields

A. Di Piazza and A. I. Milstein
Physical Review A 89, 062114 (2014)

Semianalytical model for nonlinear absorption in strongly interacting Rydberg gases

M. Gärttner, S. Whitlock, D. W. Schönleber, and J. Evers
Physical Review A 89, 063407 (2014)

Broadband high-resolution X-ray frequency combs

S. Cavaletto, Z. Harman, C. R. Ott, C. Buth, T. Pfeifer, and C. H. Keitel
Nature Photonics 8, 520-523 (2014)

A photon–photon collider in a vacuum hohlraum

O. J. Pike, K. F. Mackenroth, E. G. Hill, and S. J. Rose
Nature Photonics 8, 434-436 (2014)

Justification of the single-mode approximation for a finite-duration laser pulse interacting with an electron

O. Skoromnik and I. D. Feranchuk
Journal of Physics B 47, 115601 (2014)

Laser-Nucleus Reactions: Population of States far above Yrast and far from Stability

A. Pálffy and H. A. Weidenmüller
Physical Review Letters 112, 192502 (2014)

Far-Field Signatures of a Two-Body Bound State in Collective Emission from Interacting Two-Level Atoms on a Lattice

P. Longo and J. Evers
Physical Review Letters 112, 193601 (2014)

Relativistic spin operators in various electromagnetic environments

H. Bauke, S. Ahrens, C. H. Keitel, and R. Grobe
Physical Review A 89, 052101 (2014)

What is the relativistic spin operator?

H. Bauke, S. Ahrens, C. H. Keitel, and R. Grobe
New Journal of Physics 16, 043012 (2014)

Coherent versus incoherent excitation dynamics in dissipative many-body Rydberg systems

D. W. Schönleber, M. Gärttner, and J. Evers
Physical Review A 89, 033421 (2014)

Spin dynamics in relativistic ionization with highly charged ions in super-strong laser fields

M. Klaiber, E. Yakaboylu, C. Müller, H. Bauke, G. G. Paulus, and K. Z. Hatsagortsyan
Journal of Physics B 47, 065603 (2014)

Quasiclassical propagator of a relativistic particle via the path-dependent gauge potential

E. Yakaboylu, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 89, 032115 (2014)

High-precision measurement of the atomic mass of the electron

S. Sturm, F. Köhler, J. Zatorski, Z. Harman, G. Werth, C. H. Keitel, and K. Blaum
Nature 506, 467-470 (2014)

Dominant Secondary Nuclear Photoexcitation with the X-ray Free Electron Laser

J. Gunst, Y. A. Litvinov, C. H. Keitel, and A. Pálffy
Physical Review Letters 112, 082501 (2014)

Electron dynamics controlled via self-interaction

M. Tamburini, C. H. Keitel, and A. Di Piazza
Physical Review E 89, 021201 (2014)

Proposed Entanglement of X-ray Nuclear Polaritons as a Potential Method for Probing Matter at the Subatomic Scale

W. Liao and A. Pálffy
Physical Review Letters 112, 057401 (2014)

Field control of single x-ray photons in nuclear forward scattering

X. Kong, W. Liao, and A. Pálffy
New Journal of Physics 16, 013049 (2014)

Higgs boson creation in laser-boosted lepton collisions

S. Müller, C. H. Keitel, and C. Müller
Physics Letters B 730, 161-165 (2014)

Optical control of an atomic inner-shell x-ray laser

G. Darvasi, C. H. Keitel, and C. Buth
Physical Review A 89, 013823 (2014)

Diffractionless image propagation and frequency conversion via four-wave mixing exploiting the thermal motion of atoms

L. Zhang and J. Evers
Physical Review A 89, 013817 (2014)

Full Counting Statistics of Laser Excited Rydberg Aggregates in a One-Dimensional Geometry

H. Schempp, G. Günter, M. Robert-de-Saint-Vincent, C. S. Hofmann, D. Breyel, A. Komnik, D. Schönleber, M. Gärttner, J. Evers, S. Whitlock, and M. Weidemüller
Physical Review Letters 112, 013002 (2014)

Relativistic features and time delay of laser-induced tunnel-ionization

E. Yakaboylu, M. Klaiber, H. Bauke, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 88, 063421 (2013)

Measurement of the autoionization lifetime of the energetically lowest doubly excited Q11Σ+u state in H2 using electron ejection asymmetry

A. Fischer, A. G. Sperl, P. Cörlin, M. Schönwald, S. Meuren, J. Ullrich, T. Pfeifer, R. Moshammer, and A. Senftleben
Journal of Physics B: Atomic, Molecular and Optical Physics 47, 021001 (2013)

Major role of multielectronic K-L intershell resonant recombination processes in Li- to O-like ions of Ar, Fe, and Kr

C. Beilmann, Z. Harman, P. H. Mokler, S. Bernitt, C. H. Keitel, J. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 88, 062706, 1-11 (2013)

X-ray frequency combs from optically controlled resonance fluorescence

S. Cavaletto, Z. Harman, C. Buth, and C. H. Keitel
Physical Review A 88, 063402 (2013)

Fine structure of open-shell diatomic molecules in combined electric and magnetic fields

M. Gärttner, J.J. Omiste, P. Schmelcher, and R. Gonzaález-Feárez
Molecular Physics 111, 1865-1878 (2013)

Novel aspects of radiation reaction in the ultrarelativistic quantum regime

F. Mackenroth, N. Neitz, and A. Di Piazza
Plasma Physics and Controlled Fusion 55, 124018 (2013)

Laser-driven generation of collimated ultra-relativistic positron beams

G. Sarri, W. Schumaker, A. Di Piazza, K. Poder, J. M. Cole, M. Vargas, D. Doria, S. Kushel, B. Dromey, G. Grittani, L. Gizzi, M. E. Dieckmann, A. Green, V. Chvykov, A. Maksimchuk, V. Yanovsky, Z. H. He, B. X. Hou, J. A. Nees, S. Kar, Z. Najmudin, A. G. R. Thomas, C. H. Keitel, K. Krushelnick, and M. Zepf
Plasma Physics and Controlled Fusion 55, 124017 (2013)

Nuclear-size self-energy and vacuum-polarization corrections to the bound-electron g factor

V. A. Yerokhin, C. H. Keitel, and Z. Harman
Journal of Physics B: Atomic, Molecular and Optical Physics 46, 245002 (2013)

Axion-induced birefringence effects in laser driven nonlinear vacuum interaction

S. Villalba-Chavez and A. Di Piazza
Journal of High Energy Physics 2013, 136 (2013)

Noncompeting channel approach to pair creation in supercritical fields

Q. Z. Lv, Y. Liu, Y. J. Li, R. Grobe, and Q. Su
Physical Review Letters 11, 183204 (2013)

X-ray quantum optics with Mössbauer nuclei embedded in thin-film cavities

K. P. Heeg and J. Evers
Physical Review A 88, 043828 (2013)

Dynamic formation of Rydberg aggregates at off-resonant excitation

M. Gärttner, K. P. Heeg, T. Gasenzer, and J. Evers
Physical Review A 88, 043410 (2013)

Two-loop QED corrections with closed fermion loops for the bound-electron g factor

V. A. Yerokhin and Z. Harman
Physical Review A 88, 042502 (2013)

Coronium in the laboratory: measuring the Fe XIV green coronal line by laser spectroscopy

K. Schnorr, V. Mäckel, N. Oreshkina, S. Augustin, F. R. Brunner, Z. Harman, C. H. Keitel, J. H. Ullrich, and J. R. Crespo López-Urrutia
The Astrophysical Journal, Supplement Series 776, 121 (2013)

Attosecond pulses at kiloelectronvolt photon energies from high-order-harmonic generation with core electrons

C. Buth, F. He, J. H. Ullrich, C. H. Keitel, and K. Z. Hatsagortsyan
Physical Review A 88, 033848 (2013)

On refractive processes in strong laser field quantum electrodynamics

A. Di Piazza
Annals of Physics 338, 302-318 (2013)

Nonlinear absorption and density-dependent dephasing in Rydberg electromagnetically-induced-transparency media

M. Gärttner and J. Evers
Physical Review A 88, 033417 (2013)

Nuclear Level Densities at High Excitation Energies and for Large Particle Numbers

A. Pálffy and H. A. Weidenmüller
Nuclear Physics A 917, 15-42 (2013)

X-Ray Resonant Photoexcitation: Linewidths and Energies of Kα Transitions in Highly Charged Fe Ions

J. K. Rudolph, S. Bernitt, S. W. Epp, R. F. Steinbrügge, C. Beilmann, G. V. Brown, S. Eberle, A. Graf, Z. Harman, N. Hell, M. Leutenegger, A. Müller, K. Schlage, H. -C. Wille, H. Yavas, J. H. Ullrich, and J. R. Crespo López-Urrutia
Physical Review Letters 111, 103002 , 1-6 (2013)

Radiation-Reaction-Force-Induced Nonlinear Mixing of Raman Sidebands of an Ultraintense Laser Pulse in a Plasma

N. Kumar, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 111, 105001 , 1-5 (2013)

High-quality multi-GeV electron bunches via cyclotron autoresonance

B. J. Galow, J. Li, Y. I. Salamin, Z. Harman, and C. H. Keitel
Physical Review Special Topics-Accelerators and Beams 16, 081302, 1-6 (2013)

Vacuum-Assisted Generation and Control of Atomic Coherences at X-Ray Energies

K. P. Heeg, H. Wille, K. Schlage, T. Guryeva, D. Schumacher, I. Uschmann, K. S. Schulze, B. Marx, T. Kämpfer, G. G. Paulus, R. Röhlsberger, and J. Evers
Physical Review Letters 111, 073601, 1-5 (2013)

Interference effects in Bethe-Heitler pair creation in a bichromatic laser field

S. Augustin and C. Müller
Physical Review A 88, 022109 , 1-12 (2013)

Photon transport in one-dimensional systems coupled to three-level quantum impurities

C. Martens, P. Longo, and K. Busch
New Journal of Physics 15, 083019 (2013)

Stochasticity effects in quantum radiation reaction

N. Neitz and A. Di Piazza
Physical Review Letters 111, 054802 , 1-5 (2013)

Quantum interference effects in an ensemble of 229Th nuclei interacting with coherent light

S. Das, A. Pálffy, and C. H. Keitel
Physical Review C 88, 024601, 1-14 (2013)

Polarization operator for plane-wave background fields

S. Meuren, C. H. Keitel, and A. Di Piazza
Physical Review D 88, 013007 , 1-19 (2013)

The Kapitza-Dirac effect in the relativistic regime

S. Ahrens, H. Bauke, C. H. Keitel, and C. Müller
Physical Review A 88, 012115, 1-14 (2013)

Optical cloning of arbitrary images beyond the diffraction limits

O. N. Verma, L. Zhang, J. Evers, and T. N. Dey
Physical Review A 88, 013810 (2013)

Directional emission of dielectric disks with a finite scatterer in the THz regime

S. Preu, S. I. Schmid, F. Sedlmeir, J. Evers, and H. G. L. Schwefel
Optics Express 12, 16370-16380 (2013)

Nuclear recollisions in laser-assisted α decay

H. M. Castañeda Cortés, C. Müller, C. H. Keitel, and A. Pálffy
Physics Letter B 723, 401-405 (2013)

A table-top laser-based source of femtosecond, collimated, ultra-relativistic positron beams

G. Sarri, W. Schumaker, A. Di Piazza, M. Vargas, B. Dromey, M. E. Dieckmann, V. Chvykov, A. Maksimchuk, V. Yanovsky, Z. H. He, B. X. Hou, J. A. Nees, A. G. R. Thomas, C. H. Keitel, M. Zepf, and K. Krushelnick
Physical Review Letters; American Physical Society., Woodbury, N.Y., etc. 110, 255002, 1-5 (2013)

Spectra of coherent resonant light pulses interacting with a two-level atom in a waveguide

J. F. Werra, P. Longo, and K. Busch
Physical Review A 87, 063821, 1-5 (2013)

Bethe-Heitler pair production in ultrastrong short laser pulses

K. Krajewska, C. Müller, and J. Z. Kaminski
Physical Review A 87, 062107, 1-13 (2013)

Spectrum of collective spontaneous emission beyond the rotating-wave approximation

Y. Li, J. Evers, W. Feng, and S. Zhu
Physical Review A 87, 053837, 1-11 (2013)

Sub-Poissonian statistics of Rydberg-interacting dark-state polaritons

C. S. Hofmann, G. Günter, H. Schempp, M. Robert-de-Saint-Vincent, M. Gärttner, J. Evers, S. Whitlock, and M. Weidemüller
Physical Review Letters 110, 203601, 1-5 (2013)

A three-beam setup for coherently controlling nuclear state population

W. Liao, A. Pálffy, and C. H. Keitel
Physical Review C 87, 054609, 1-12 (2013)

Lorentz meets Fano spectral line shapes: A universal phase and its laser control

C. R. Ott, A. Kaldun, P. Raith, K. Meyer, M. Laux, J. Evers, C. H. Keitel, C. H. Greene, and T. Pfeifer
Science 340, 716-720 (2013)

Collapse-and-revival dynamics of strongly laser-driven electrons

O. Skoromnik, I. D. Feranchuk, and C. H. Keitel
Physical Review A 87, 052107, 1-16 (2013)

Control of beam propagation in optically written waveguides beyond the paraxial approximation

L. Zhang, T. N. Dey, and J. Evers
Physical Review A 87, 043842, 1-9 (2013)

Under-the-barrier dynamics in laser-induced relativistic tunneling

M. Klaiber, E. Yakaboylu, H. Bauke, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 110, 153004, 1-5 (2013)

Mößbauer Science and Nuclear Quantum Optics with X-ray Free Electron

J. Evers
Beam Dynamics Newsletter 60, 44-50 (2013)

Super-filament formation of a relativistic Gaussian electron beam in a dense collisional plasma

T. Tueckmantel, N. Kumar, and A. Pukhov
New Journal of Physics 15, 035021 (2013)

Optical Diode Made from a Moving Photonic Crystal

D. Wang, H. Zhou, M. Guo, J. Zhang, J. Evers, and S. Zhu
Physical Review Letters 110, 093901, 1-5 (2013)

Above-threshold ionization with highly charged ions in superstrong laser fields. II. Relativistic Coulomb-corrected strong-field approximation

M. Klaiber, E. Yakaboylu, and K. Z. Hatsagortsyan
Physical Review A 87, 023418, 1-11 (2013)

Above-threshold ionization with highly charged ions in superstrong laser fields. I. Coulomb-corrected strong-field approximation

M. Klaiber, E. Yakaboylu, and K. Z. Hatsagortsyan
Physical Review A 87, 023417, 1-8 (2013)

Interference-induced peak splitting in EUV superfluorescence

N. Cui, C. H. Keitel, and M. Macovei
Optics Letters 38, 570-572 (2013)

Nonlinear Double Compton Scattering in the Ultrarelativistic Quantum Regime

F. Mackenroth and A. Di Piazza
Physical Review Letters 110, 070402, 1-5 (2013)

Optical force acting on strongly driven atoms in free space or modified reservoirs

M. Macovei
Journal of Physics B: Atomic, Molecular and Optical Physics 46, 045502, 1-5 (2013)

Numerical simulations of optical centroid measurements with nonclassical fields

Q. Gulfam and J. Evers
Physical Review A 87, 023804, 1-14 (2013)

X-ray quantum optics

B. W. Adams, C. Buth, S. Cavaletto, J. Evers, Z. Harman, C. H. Keitel, A. Pálffy, A. Picón, R. Röhlsberger, Y. Rostovtsev, and K. Tamasaku
Journal of Modern Optics 60, 2-21 (2013)

Incoherent excitation of few-level multiatom ensembles

B. Mohan and M. Macovei
Journal of Physics B: Atomic, Molecular and Optical Physics 46, 035503, 1-6 (2013)

Negative refraction with tunable absorption in an active dense gas of atoms

P. P. Orth, R. Hennig, C. H. Keitel, and J. Evers
New Journal of Physics 15, 013027, 1-18 (2013)

Nuclear Level Densities in the Constant-Spacing Model

A. Pálffy and H. A. Weidenmüller
Physics Letters B 718, 1105-1110 (2013)

Coherence-enhanced optical determination of the 229Th isomeric transition

W. Liao, S. Das, C. H. Keitel, and A. Pálffy
Physical Review Letters 109, 262502, 1-5 (2012)

Hybrid model for Rydberg gases including exact two-body correlations

K. P. Heeg, M. Gaerttner, and J. Evers
Physical Review A 86, 063421, 1-8 (2012)

Magnetic Control of the Pair Creation in Spatially Localized Supercritical Fields

Q. Su, W. Su, Q. Z. Lv, M. Jiang, X. Lu, Z. M. Sheng, and R. Grobe
Physical Review Letters 109, 253202 (2012)

An unexpectedly low oscillator strength as the origin of the Fe XVII emission problem

S. Bernitt, G. V. Brown, J. K. Rudolph, R. F. Steinbrügge, A. Graf, M. Leutenegger, S. Epp, S. Eberle, K. Kubicek, V. Mäckel, M. C. Simon, E. Träbert, E. W. Magee, C. Beilmann, N. Hell, S. Schippers, A. Müller, S. M. Kahn, A. Surzhykov, Z. Harman, C. H. Keitel, J. Clementson, F. S. Porter, W. Schlotter, J. J. Turner, J. H. Ullrich, P. Beiersdorfer, and J. R. Crespo López-Urrutia
Nature 492, 225-228 (2012)

Enhancing the high-order harmonic generation yield within a specified spectral window via electron wave-packet engineering

M. C. Kohler and K. Z. Hatsagortsyan
Journal of the Optical Society of America B-Optical Physics 30, 57-61 (2012)

Pair production in a plane wave by thermal background photons

B. King, H. Gies, and A. Di Piazza
Physical Review D 86, 125007, 1-5 (2012)

QED with an external field: Hamiltonian treatment of Lorentz-non-invariant background as an anisotropic medium

S. Villalba-Chavez and A. E. Shabad
Physical Review D 86, 105040, 1-28 (2012)

Coherent Storage and Phase Modulation of Single Hard-X-Ray Photons Using Nuclear Excitons

W. Liao, A. Pálffy, and C. H. Keitel
Physical Review Letters 109, 197403 (2012)

Sub-barrier Coulomb effects on the interference pattern in tunneling-ionization photoelectron spectra

T.M. Yan and D. Bauer
Physical Review A 86, 053403, 1-9 (2012)

Resonantly enhanced photoionization in correlated three-atomic systems

B. Najjari, C. Müller, and A.B. Voitkiv
New Journal of Physics 14, 105028, 1-14 (2012)

Quasiclassical approach to high-energy QED processes in strong laser and atomic fields

A. Di Piazza and A. I. Milstein
Physics Letters B 717, 224-228 (2012)

Photon-photon scattering in collisions of laser pulses

B. King and C. H. Keitel
New Journal of Physics 14, 103002, 1-22 (2012)

Finite-size effects in strongly interacting Rydberg gases

M. Gärttner, K. P. Heeg, T. Gasenzer, and J. Evers
Physical Review A 86, 033422, 1-9 (2012)

Carrier-envelope phase dependence in single-cycle laser pulse propagation with the inclusion of counter-rotating terms

N. Cui and M. Macovei
New Journal of Physics 14, 093031, 1-11 (2012)

Resonance fluorescence in ultrafast and intense x-ray free-electron-laser pulses

S. Cavaletto, C. Buth, Z. Harman, E. P. Kanter, S. H. Southworth, L. Young, and C. H. Keitel
Physical Review A 86, 033402, 1-15 (2012)

Cooperative effects in nuclear excitation with coherent x-ray light

A. Junker, A. Palffy, and C. H. Keitel
New Journal of Physics 14, 085025, 1-21 (2012)

Effect of retardation on the dynamics of entanglement between atoms

Q. Gulfam, Z. Ficek, and J. Evers
Physical Review A 86, 022325, 1-15 (2012)

Extremely high-intensity laser interactions with fundamental quantum systems

A. Di Piazza, C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel
Reviews of Modern Physics 84, 1177-1228 (2012)

Longitudinal spin polarization in multiphoton Bethe-Heitler pair production

T. Müller and C. Müller
Physical Review A 86, 022109, 1-10 (2012)

Suppression of pair creation due to a steady magnetic field

W. Su, M. Jiang, Z. Q. Lv, Y. J. Li, Z. M. Sheng, R. Grobe, and Q. Su
Physical Review A 86, 013422, 1-14 (2012)

Spin Dynamics in the Kapitza-Dirac Effect

S. Ahrens, H. Bauke, C. H. Keitel, and C. Müller
Physical Review Letters 109, 043601, 1-5 (2012)

Scaling Laws for Photoelectron Holography in the Midinfrared Wavelength Regime

Y. Huismans, A. Gijsbertsen, A. S. Smolkowska, J. H. Jungmann, A. Rouzee, P. S. W. M. Logman, F. Lepine, C. Cauchy, S. Zamith, T. Marchenko, J. M. Bakker, G. Berden, B. Redlich, A. F. G. van der Meer, M. Y.. Ivanov, T.M. Yan, D. Bauer, O. Smirnova, and M. J. J. Vrakking
Physical Review Letters 109, 013002 (2012)

Laser acceleration of proton bunches by petawatt chirped linearly polarized laser pulses

J. Li, Y. Salamin, B. J. Galow, Z. Harman, and C. H. Keitel
Physical Review A 85, 063831, 1-11 (2012)

Optimization of the recollision step in high-order harmonic generation

M. Klaiber, M. C. Kohler, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 85, 063829, 1-8 (2012)

Acceleration of proton bunches by petawatt chirped radially polarized laser pulses

J. Li, Y. I. Salamin, B. J. Galow, and C. H. Keitel
Physical Review A 85, 063832, 1-12 (2012)

Quantum fluctuations in the dressed vacuum of a bosonic model system

R. E. Wagner, S. Acosta, S. A. Glasgow, Q. Su, and R. Grobe
Journal of Physics A 45, 275303 (2012)

Manipulating the Annihilation Dynamics of Positronium via Collective Radiation

N. Cui, M. Macovei, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 108, 243401, 1-5 (2012)

Generation of correlated photon pairs in different frequency ranges

F. Oster, C. H. Keitel, and M. Macovei
Physical Review. A 85, 063814, 1-5 (2012)

Ultrafast absorption of intense x rays by nitrogen molecules

C. Buth, J. Liu, M. H. Chen, J. P. Cryan, L. Fang, J. M. Glownia, M. Hoener, R. N. Coffee, and N. Berrah
The Journal of Chemical Physics 136, 214310, 1-14 (2012)

Laser-assisted nuclear photoeffect

A. Dadi and C. Müller
Physical Review C 85, 064604 (2012)

Collective spontaneous emission beyond the rotating-wave approximation

Y. Li, J. Evers, H. Zheng, and S. Zhu
Physical Review A 85, 053830, 1-10 (2012)

Quantum teleportation of high-dimensional atomic ensemble states

M. Al-Amri, J. Evers, M. Ikram, and M. S. Zubairy
Journal of Physics B: Atomic, Molecular and Optical Physics 45, 095502 (2012)

Reply to "Comment on 'Nonlinear Compton scattering in ultrashort laser pulses'"

F. Mackenroth and A. Di Piazza
Physical Review A 85, 046102 (2012)

Peak intensity measurement of relativistic lasers via nonlinear Thomson scattering

O. Har-Shemesh and A. Di Piazza
Optics Letters 37, 1352-1354 (2012)

Angular distribution of high-energy e+e− photoproduction close to the end of the spectrum at large momentum transfer

A. Di Piazza and A. I. Milstein
Physical Review. A 85, 042107 (2012)

Wenn Eisen transparent wird

J. Evers
Physik Journal 11, 18-19 (2012)

Non-perturbative approach to bosonic multi-pair creation in arbitrary external fields

Q. Su, Y. T. Li, and R. Grobe
Laser Physics 22, 745-752 (2012)

Influence of Surface Waves on Plasma High-Order Harmonic Generation

D. an der Brügge, N. Kumar, A. Pukhov, and C. Rödel
Physical Review Letters 108, 125002, 1-5 (2012)

Pair creation enhancement due to combined external fields

M. Jiang, W. Su, Z. Q. Lv, X. Lu, Y. J. Li, R. Grobe, and Q. Su
Physical Review A 85, 033408 , 1-12 (2012)

QED calculation of the nuclear magnetic shielding for hydrogenlike ions

V. A. Yerokhin, K. Pachucki, Z. Harman, and C. H. Keitel
Physical Review. A 85, 022512 (2012)

Coulomb focusing in above-threshold ionization in elliptically polarized midinfrared strong laser fields

C. Liu and K. Z. Hatsagortsyan
Physical Review. A 85, 023413, 1-10 (2012)

Local and nonlocal spatial densities in quantum field theory

R. E. Wagner, M. R. Ware, E. V. Stefanovich, Q. Su, and R. Grobe
Physical Review A 85, 022121 (2012)

Macroscopic aspects of relativistic x-ray-assisted high-order-harmonic generation

M. Kohler and K. Z. Hatsagortsyan
Physical Review. A 85, 023819, 1-11 (2012)

Nuclear Shape Effect on the g Factor of Hydrogenlike Ions

J. Zatorski, N. Oreshkina, C. H. Keitel, and Z. Harman
Physical Review Letters 108, 063005, 1-5 (2012)

Overlapping resonances in nuclei coupling to the atomic shells

S. K. Arigapudi and A. Pálffy
Physical Review. A 85, 012710, 1-14 (2012)

A stability analysis of a real space split operator method for the Klein-Gordon equation

F. Blumenthal and H. Bauke
Journal of Computational Physics 231, 454-464 (2012)

Electron recombination in dense photonic, electronic and atomic environments

C. Müller, H. Hu, B. Najjari, J. R. Crespo Lopez-Urrutia, Z. Harman, and A.B. Voitkiv
Journal of Physics: Conference Series 388, 012003 (2012)

Quantum Electron Self-Interaction in a Strong Laser Field

S. Meuren and A. Di Piazza
Physical Review Letters 107, 260401 (2011)

Accelerating the Fourier split operator method via graphics processing units

H. Bauke and C. H. Keitel
Computer Physics Communications 182, 2454-2463 (2011)

Collectively enhanced resonant photoionization in a multiatom ensemble

C. Müller, M. Macovei, and A. Voitkiv
Physical Review. A 84, 055401 (2011)

Scattering of intense laser radiation by a single-electron wave packet

J. P. Corson, J. Peatross, C. Müller, and K. Z. Hatsagortsyan
Physical Review. A 84, 053831 (2011)

Dense monoenergetic proton beams from chirped laser-plasma interaction

B. Galow, Y. I. Salamin, T. V. Liseykina, Z. Harman, and C. H. Keitel
Physical Review Letters 107, 185002 (2011)

Nondiffracting optical beams in a three-level Raman system

T. N. Dey and J. Evers
Physical Review. A 84, 043842 (2011)

Time-dependent Kohn-Sham approach to quantum electrodynamics

M. Ruggenthaler, K. F. Mackenroth, and D. Bauer
Physical Review. A 84, 042107 (2011)

Photon scattering from strongly driven atomic ensembles

L. Jin, J. Evers, and M. Macovei
Physical Review. A 84, 043812 (2011)

Nuclear coherent population transfer with x-ray laser pulses

W. Liao, A. Pálffy, and C. H. Keitel
Physics Letters B 705, 134-138 (2011)

Prominent Higher-Order Contributions to Electronic Recombination

C. Beilmann, P. Mokler, S. Bernitt, C. H. Keitel, J. H. Ullrich, J. R. Crespo López-Urrutia, and Z. Harman
Physical Review Letters 107, 143201 (2011)

Relativistic three-body recombination with the QED vacuum

H. Hu and C. Müller
Physical Review Letters 107, 090402 (2011)

Subwavelength position measurements with running-wave driving fields

J. Evers and S. Qamar
Physical Review. A 84, 023802 (2011)

Bragg Scattering of Light in Vacuum Structured by Strong Periodic Fields

G. Y. Kryuchkyan and K. Z. Hatsagortsyan
Physical Review Letters 104, 053604 (2011)

Time analysis of above-threshold ionization in extreme-ultraviolet laser pulses

H. Ebadi, C. H. Keitel, and K. Z. Hatsagortsyan
Physical Review. A 83, 063418 (2011)

QED Theory of the Nuclear Magnetic Shielding in Hydrogenlike Ions

V. A. Yerokhin, K. Pachucki, C. H. Keitel, and Z. Harman
Physical Review Letters 107, 043004 (2011)

Streaking at high energies with electrons and positrons

A. Ipp, J. Evers, C. H. Keitel, and K. Z. Hatsagortsyan
Physics Letters B 702, 383-387 (2011)

Pathway interference in a loop array of three coupled microresonators

S. I. Schmid, K. Y. Xia, and J. Evers
Physical Review. A 84, 013808 (2011)

g Factor of Hydrogenlike 28Si13+

S. Sturm, A. Wagner, B. Schabinger, J. Zatorski, Z. Harman, W. Quint, G. Werth, C. H. Keitel, and K. Blaum
Physical review letters 107, 023002 (2011)

A novel vacuum ultra violet lamp for metastable rare gas experiments

H. Daerr, M. Kohler, P. Sahling, S. Tippenhauer, A. Arabi-Hashemi, C. Becker, K. Sengstock, and M. B. Kalinowski
REVIEW OF SCIENTIFIC INSTRUMENTS 82, 073106 (2011)

Resonant Two-Photon Single Ionization of Two Identical Atoms

C. Müller and A. Voitkiv
Physical Review Letters 107, 013001 (2011)

Higher-order resonant inter-shell electronic recombination for heavy highly charged ions

C. Beilmann, P. H. Mokler, S. Bernitt, Z. Harman, C. H. Keitel, O. Postavaru, J. H. Ullrich, and J. R. Crespo López-Urrutia
Physica Scripta T T144, 014014 (2011)

Relativistic ionization characteristics of laser-driven hydrogenlike ions

H. Bauke, H. Hetzheim, G. R. Mocken, M. Ruf, and C. H. Keitel
Physical Review. A 83, 063414 (2011)

Laser assisted decay of quasistationary states

H. M. Castañeda Cortés, S. V. Popruzhenko, D. Bauer, and A. Pálffy
New Journal of Physics 13, 063007 (2011)

Controllable optical switch using a Bose-Einstein condensate in an optical cavity

S. Yang, M. Al-Amri, J. Evers, and M. Suhail Zubairy
Physical Review. A 83, 053821 (2011)

Subwavelength optical lattices induced by position-dependent dark states

Q. Sun, J. Evers, M. Kiffner, and M. S. Zubairy
Physical Review. A 83, 053412, 1-9 (2011)

Wavelength and intensity dependence of multiple forward scattering of electrons at above-threshold ionization in mid-infrared strong laser fields

C. Liu and K. Z. Hatsagortsyan
Journal of Physics B: Atomic, Molecular and Optical Physics 44, 095402 (2011)

Coherent control of the cooperative branching ratio for nuclear x-ray pumping

A. Pálffy, C. H. Keitel, and J. Evers
Physical review / B 83, 155103 (2011)

Phase-matched coherent hard X-rays from relativistic high-order harmonic generation

M. Kohler, M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Europhysics letters 94, 14002 (2011)

Nonlinear Compton scattering in ultrashort laser pulses

K. F. Mackenroth and A. Di Piazza
Physical Review. A 83, 032106 (2011)

A Maxwell-Schrödinger solver for quantum optical few-level systems

R. Fleischhaker and J. Evers
Computer Physics Communications 182, 739-747 (2011)

Attochirp-free High-order Harmonic Generation

M. C. Kohler, C. H. Keitel, and K. Z. Hatsagortsyan
Optics Express 19, 4411-4420 (2011)

Breit interaction in dielectronic recombination of hydrogenlike uranium

D. Bernhardt, C. Brandau, Z. Harman, C. Kozhuharov, A. Müller, W. Scheid, S. Schippers, E. W. Schmidt, D. Yu, A. N. Artemyev, I. I. Tupitsyn, S. Böhm, F. Bosch, F. J. Currell, B. Franzke, A. Gumberidze, J. Jacobi, P. H. Mokler, F. Nolden, U. Spillman, Z. Stachura, M. Steck, and T.. Stöhlker
Physical Review. A 83, 020701(R), 1-4 (2011)

Spin correlations in nonperturbative electron-positron pair creation by petawatt laser pulses colliding with a TeV proton beam

T. Müller and C. Müller
Physics Letters B 696, 201-206 (2011)

Phenomenological model of multiphoto-production of charged pion pairs on the proton

A. Dadi and C. Müller
Physics Letters B 697, 142-146 (2011)

High-Precision Metrology of Highly Charged Ions via Relativistic Resonance Fluorescence

O. Postavaru, Z. Harman, and C. H. Keitel
Physical Review Letters 106, 033001 (2011)

Theoretical description of adiabatic laser alignment and mixed-field orientation: the need for a non-adiabatic model

J. J. Omiste, M. Gärttner, P. Schmelcher, R. Gonzalez-Ferez, L. Holmegaard, J. H. Nielsen, H. Stapelfeldt, and J. Küpper
Physical Chemistry Chemical Physics 13, 18815-18824 (2011)

Stationary entanglement in strongly coupled qubits

K. Xia, M. Macovei, and J. Evers
Physical review / B 84, 184510 (2011)

Transient absorption and reshaping of ultrafast XUV light by laser-dressed helium

M. B. Gaarde, C. Buth, J. L. Tate, and K. J. Schafer
Physical Review. A 83, 013419 (2011)

High-order harmonic generation enhanced by XUV light

C. Buth, M. C. Kohler, J. H. Ullrich, and C. H. Keitel
Optics Letters 36, 3530-3532 (2011)

Microcavities coupled to multilevel atoms

S. I. Schmid and J. Evers
Physical Review. A 84, 053822 (2011)

Radiation reaction effects on electron nonlinear dynamics and ion acceleration in laser-solid interaction

M. Tamburini, F. Pegoraro, A. Di Piazza, C. H. Keitel, T. V. Liseykina, and A. Macchi
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 653, 181-185 (2011)

Optimizing direct intense-field laser acceleration of ions

Z. Harman, Y. Salamin, B. Galow, and C. H. Keitel
Physical Review. A 84, 053814 (2011)

Numerical signatures of non-self-adjointness in quantum Hamiltonians

M. Ruf, C. Müller, and R. Grobe
Journal of Physics A: Mathematical and Theoretical 44, 345205 (2011)

Spin correlations in nonperturbative electron–positron pair creation by petawatt laser pulses colliding with a TeV proton beam

T. Müller and C. Müller
Physics Letters B 696, 201-206 (2010)

Polarization of the electron and positron produced in combined Coulomb and strong laser fields

A. Di Piazza, A. I. Milstein, and C. Müller
Physical Review A 82, 062110, 1-7 (2010)

Low-Energy Structures in Strong Field Ionization Revealed by Quantum Orbits

T.M. Yan, S. V. Popruzhenko, M. J. J. Vrakking, and D. Bauer
Physical Review Letters 105, 253002, 1-4 (2010)

Measuring photon-photon interactions via photon detection

M. Macovei
Physical Review A 82, 063815, 1-4 (2010)

Radiation reaction effects on radiation pressure acceleration

M. Tamburini, F. Pegoraro, A. Di Piazza, C. H. Keitel, and A. Macchi
New Journal of Physics 12, 123005, 1-14 (2010)

Intense high-quality medical proton beams via laser fields

B. Galow, Z. Harman, and C. H. Keitel
Optics Express 18, 25950-25957 (2010)

Quantum Radiation Reaction Effects in Multiphoton Compton Scattering

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 105, 220403, 1-4 (2010)

Ground-state cooling of a nanomechanical resonator coupled to two interacting flux qubits

K. Xia and J. Evers
Physical Review B 82, 184532, 1-6 (2010)

High Harmonic Generation Via Continuum Wave-Packet Interference

M. C. Kohler, C. Ott, P. Raith, R. Heck, I. Schlegel, C. H. Keitel, and T. Pfeifer
Physical Review Letters 105, 203902, 1-4 (2010)

Coherent control of nuclear forward scattering

A. Gagyi-Palffy and J. Evers
Journal of Modern Optics 57, 1993-2003 (2010)

Resonant and Near-Threshold Photoionization Cross Sections of Fe14+

M. C. Simon, J. R. C. Lopez-Urrutia, C. Beilmann, M. Schwarz, Z. Harman, S. W. Epp, B. L. Schmitt, T. M. Baumann, E. Behar, S. Bernitt, R. Follath, R. Ginzel, C. H. Keitel, R. Klawitter, K. Kubicek, V. Mackel, P. H. Mokler, G. Reichardt, O. Schwarzkopf, and J. Ullrich
Physical Review Letters 105, 183001 (2010)

Observation of Magnetized Soliton Remnants in the Wake of Intense Laser Pulse Propagation through Plasmas

L. Romagnani, A. Bignongiari, S. Kar, S. V. Bulanov, C. A. Cecchetti, T. Z.. Esirkepov, M. Galimberti, R. Jung, T. V. Liseykina, A. Macchi, J. Osterholz, F. Pegoraro, O. Willi, and M. Borghesi
Physical Review Letters 105, 175002, 1-4 (2010)

High-energy electron-positron photoproduction cross section close to the end of the spectrum

A. Di Piazza and A. I. Milstein
Physical Review A 82, 042106 (2010)

Two-Center Resonant Photoionization

B. Najjari, A. B. Voitkiv, and C. Müller
Physical Review Letters 105, 153002, 1-4 (2010)

Double-slit vacuum polarization effects in ultraintense laser fields

B. King, A. Di Piazza, and C. H. Keitel
Physical Review A 82, 032114 (2010)

Origin of Unexpected Low Energy Structure in Photoelectron Spectra Induced by Midinfrared Strong Laser Fields

C. P. Liu and K. Z. Hatsagortsyan
Physical Review Letters 105, 113003 (2010)

Target effects on the linear polarization of photons emitted in radiative electron capture by heavy ions

A. N. Artemyev, A. Surzhykov, S. Fritzsche, B. Najjari, and A. B. Voitkiv
Physical Review A 82, 022716, 1-6 (2010)

Quantum teleportation of four-dimensional qudits

M. Al-Amri, J. Evers, and M. S. Zubairy
Physical Review A 82, 022329 (2010)

Complete QED Theory of Multiphoton Trident Pair Production in Strong Laser Fields

H. Y. Hu, C. Müller, and C. H. Keitel
Physical Review Letters 105, 080401 (2010)

Determining the Carrier-Envelope Phase of Intense Few-Cycle Laser Pulses

F. Mackenroth, A. Di Piazza, and C. H. Keitel
Physical Review Letters 105, 063903 (2010)

Isotope effects in the harmonic response from hydrogenlike muonic atoms in strong laser fields

A. Shahbaz, T. J. Bürvenich, and C. Müller
Physical Review A 82, 013418 (2010)

Phase modulation induced by cooperative effects in electromagnetically induced transparency

R. Fleischhaker, T. N. Dey, and J. Evers
Physical Review A 82, 013815, 1-7 (2010)

Effect of a strong laser field on electron-positron photoproduction by relativistic nuclei

A. Di Piazza, E. Lötstedt, A. I. Milstein, and C. H. Keitel
Physical Review A 81, 062122 (2010)

Strongly Enhanced Recombination via Two-Center Electronic Correlations

C. Müller, A. B. Voitkiv, J. R. López-Urrutia, and Z. Harman
Physical Review Letters 104, 233202 (2010)

Bound–bound pair production in relativistic collisions

A. B. Voitkiv, B. Najjari, and A. Di Piazza
New Journal of Physics 12, 063011, 1-8 (2010)

Interplay of vacuum-mediated inter- and intra-atomic couplings in a pair of atoms

S. I. Schmid and J. Evers
Physical Review A 81, 063805 (2010)

Dressed-Atom Multiphoton Analysis of Anomalous Electromagnetically Induced Absorption

H. S. Chou and J. Evers
Physical Review Letters 104, 213602 (2010)

Radiation pressure acceleration of ultrathin foils

A. Macchi, S. Veghini, T. V. Liseykina, and F. Pegoraro
New Journal of Physics 12, 045013 (2010)

Cooling a quantum circuit via coupling to a multiqubit system

M. A. Macovei
Physical Review A 81, 043411 (2010)

Photoionization of N3+ and Ar8+ in an electron beam ion trap by synchrotron radiation

M. C. Simon, M. Schwarz, S. W. Epp, C. Beilmann, B. L. Schmitt, Z. Harman, T. M. Baumann, P. H. Mokler, S. Bernitt, R. Ginzel, S. G. Higgins, C. H. Keitel, R. Klawitter, K. Kubicek, V. Mäckel, J. Ullrich, and J. R. Crespo López-Urrutia
Journal of Physics B: Atomic, Molecular and Optical Physics 43, 065003, 1-11 (2010)

Relativistic Attosecond Electron Bunches from Laser-Illuminated Droplets

T. V. Liseykina, S. Pirner, and D. Bauer
Physical Review Letters 104, 095002 (2010)

Squeezing in strong light scattered by a regular structure of atoms

L. L. Jin, M. Macovei, S. Q. Gong, C. H. Keitel, and J. Evers
Optics Communications 283, 790-794 (2010)

Measurement of distance and orientation of two atoms in arbitrary geometry

Q. U. A. Gulfam and J. Evers
Journal of Physics B: Atomic, Molecular and Optical Physics 43, 045501 (2010)

Single-Cycle Gap Soliton in a Subwavelength Structure

X. T. Xie and M. A. Macovei
Physical Review Letters 104, 073902 (2010)

Nonperturbative multiphoton electron-positron-pair creation in laser fields

G. R. Mocken, M. Ruf, C. Müller, and C. H. Keitel
Physical Review A 81, 022122 (2010)

A matterless double slit

B. King, A. Di Piazza, and C. H. Keitel
Nature Photonics 4, 92-94 (2010)

Quantum entanglement in dense multiqubit systems

M. Macovei, J. Evers, and C. H. Keitel
Journal of Modern Optics 57, 1287-1292 (2010)

QED corrections of order alpha(Z alpha)E-2(F) to the hyperfine splitting of P-1/2 and P-3/2 states in hydrogenlike ions

U. D. Jentschura and V. A. Yerokhin
Physical Review A 81, 012503 (2010)

Nuclear effects in atomic transitions

A. Palffy
Contemporary Physics 51, 471-496 (2010)

Acoustic solitary wave and breather in molecular magnets via electromagnetically induced transparency

J. B. Liu, X. T. Xie, and Y. Wu
EPL 89, 17006 (2010)

Loading atom lasers by collectivity-enhanced optical pumping

M. A. Macovei and J. Evers
Physical Review A 81, 013626 (2010)

Self-energy correction to the hyperfine splitting and the electron g factor in hydrogenlike ions

V. A. Yerokhin and U. D. Jentschura
Physical Review A 81, 012502 (2010)

A real space split operator method for the Klein-Gordon equation

M. Ruf, H. Bauke, and C. H. Keitel
Journal of Computational Physics 228, 9092-9106 (2009)

Phase-controlled pulse propagation in media with cross coupling of electric and magnetic probe field component

R. Fleischhaker and J. Evers
Physical Review A 80, 063816, 1-9 (2009)

Isotope shifts in dielectronic recombination : From stable to in-flight-produced nuclei

C. Brandau, C. Kozhuharov, A. Müller, D. Bernhardt, S. Böhm, D. Boutin, F. J. Currell, C. Dimopoulou, B. Franzke, Z. Harman, J. D. Jentschura, C. H. Keitel, H. J. Kluge, Y. S. Kozhedub, R. Krücken, Y. A. Litvinov, F. Nolden, B. O'Rourke, R. Reuschl, S. Schippers, V. M. Shabaev, U. Spillmann, Z. Stachura, M. Steck, T.. Stöhlker, I. I. Tupitsyn, D. F. Winters, and A. Wolf
Journal of Physics: Conference Series 194, 012023 (2009)

Relativistic electron-ion recombination in the presence of an intense laser field

C. Müller, A. B. Voitkiv, and B. Najjari
Journal of Physics B 42, 221001 (2009)

Ground State Cooling of a Nanomechanical Resonator in the Nonresolved Regime via Quantum Interference

K. Y. Xia and J. Evers
Physical Review Letters 103, 227203 (2009)

Local Hartree-exchange and correlation potential defined by local force equations

M. Ruggenthaler and D. Bauer
Physical Review A 80, 052502 (2009)

Intershell trielectronic recombination with K-shell excitation in Kr30+

C. Beilmann, O. Postavaru, L. H. Arntzen, R. Ginzel, C. H. Keitel, V. Mackel, P. H. Mokler, M. C. Simon, H. Tawara, I. I. Tupitsyn, J. Ullrich, J. R. Crespo López-Urrutia, and Z. Harman
Physical Review A 80, 050702 (2009)

Correlated two-photon emission by transitions of Dirac-Volkov states in intense laser fields: QED predictions

E. Lötstedt and U. D. Jentschura
Physical Review A 80, 053419 (2009)

Laser-guided relativistic quantum dynamics

C. Liu, M. C. Kohler, K. Z. Hatsagortsyan, C. Müller, and C. H. Keitel
New Journal of Physics 11, 105045 (2009)

Barrier Control in Tunneling e(+)-e(-) Photoproduction

A. Di Piazza, E. Lötstedt, A. I. Milstein, and C. H. Keitel
Physical Review Letters 103, 170403 (2009)

On the existence of effective potentials in time-dependent density functional theory

M. Ruggenthaler, M. Penz, and D. Bauer
Journal of Physics A 42, 425207 (2009)

Yoctosecond Photon Pulses from Quark-Gluon Plasmas

A. Ipp, C. H. Keitel, and J. Evers
Physical Review Letters 103, 152301 (2009)

Probing quantum superposition states with few-cycle laser pulses

X. T. Xie, M. Macovei, M. Kiffner, and C. H. Keitel
Journal of the Optical Society of America B -Optical Physics 26, 1912-1917 (2009)

Two-photon cooling of a nonlinear quantum oscillator

M. A. Macovei and X. T. Xie
Optics Communications 282, 3930-3933 (2009)

Nonperturbative Treatment of Double Compton Backscattering in Intense Laser Fields

E. Lötstedt and U. D. Jentschura
Physical Review Letters 103, 110404 (2009)

High-order harmonic generation in vibrating two-electron molecules

C. C. Chirila and M. Lein
Chemical Physics 366, 54-57 (2009)

Few-photon electron-positron pair creation by relativistic muon impact on intense laser beams

S. J. Müller and C. Müller
Physical Review D 80, 053014 (2009)

Exotic atoms in superintense laser fields : applications in atomic, nuclear, and particle physics

C. Müller, A. Shahbaz, T. J. Bürvenich, K. Z. Hatsagortsyan, and C. H. Keitel
European Physical Journal - Special Topics 175, 187-190 (2009)

Relativistic nonperturbative above-threshold phenomena in strong laser fields

C. Müller, K. Z. Hatsagortsyan, M. Ruf, S. J. Müller, H. G. Hetzheim, M. C. Kohler, and C. H. Keitel
Laser Physics 19, 1743-1752 (2009)

Sudden death and birth of entanglement in photonic crystals

M. Al-Amri, G. X. Li, R. Tan, and M. S. Zubairy
Physical Review A 80, 022314 (2009)

Relativistic (Zα2) corrections and leading quantum electrodynamic corrections to the two-photon decay rate of ionic states

B. J. Wundt and U. D. Jentschura
Physical Review A 80, 022505 (2009)

QED vacuum effects in intense laser fields

A. Di Piazza and K. Z. Hatsagortsyan
European Physical Journal - Special Topics 175, 181-185 (2009)

On the Kohn–Sham density response in a localized basis set

D. Foerster and P. Koval
The Journal of Chemical Physics 133, 044103, 1-9 (2009)

Ion acceleration by petawatt class laser pulses and pellet compression in a fast ignition scenario

C. Benedetti, P. Londrillo, T. V. Liseykina, A. Macchi, A. Sgattoni, and G. Turchetti
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 606, 89-93 (2009)

Numerical simulation of harmonics generation by ultrashort laser pulses

V. Y. Bychenkov, S. M. Garina, G. I. Dudnikova, N. V. Zmitrenko, V. F. Kovalev, and T. V. Liseikina
Mathematical Models and Computer Simulations 1, 503-513 (2009)

Explanation for the smoothness of the phase in molecular high-order harmonic generation

C. C. Chirila and M. Lein
Physical Review A 80, 013405, 1-5 (2009)

Single-Photon Entanglement in the keV Regime via Coherent Control of Nuclear Forward Scattering

A. Pálffy, C. H. Keitel, and J. Evers
Physical Review Letters 103, 017401 (2009)

Fundamental constants and tests of theory in Rydberg states of hydrogenlike ions

U. D. Jentschura, P. J. Mohr, J. N. Tan, and B. J. Wundt
Canadian Journal of Physics 87, 757-762 (2009)

Canonical transforms and the efficient integration of quantum mechanical wave equations

H. Bauke and C. H. Keitel
Physical Review E 80, 016706 (2009)

Simultaneous electron capture and bound-free pair production in relativistic collisions of heavy nuclei with atoms

B. Najjari, A. B. Voitkiv, A. Artemyev, and A. Surzhykov
Physical Review A 80, 012701 (2009)

Spontaneous emission interference in negative-refractive-index waveguides

G. X. Li, J. Evers, and C. H. Keitel
Physical Review B 80, 045102 (2009)

Strong Signatures of Radiation Reaction below the Radiation-Dominated Regime

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 102, 254802 (2009)

Two-photon double ionization of Ne by free-electron laser radiation: a kinematically complete experiment

M. Kurka, A. Rudenko, L. Foucar, K. U. Kühnel, Y. H. Jiang, T. Ergler, T. Havermeier, M. Smolarski, S. Schössler, K. Cole, M. Schöffler, R. Dörner, M. Gensch, S. Düsterer, R. Treusch, S. Fritzsche, A. N. Grum-Grzhimailo, E. V. Gryzlova, N. M. Kabachnik, C. D. Schröter, R. Moshammer, and J. Ullrich
Journal of Physics B: Atomic, Molecular and Optical Physics 42, 141002, 1-5 (2009)

Rabi Oscillations and Few-Level Approximations in Time-Dependent Density Functional Theory

M. Ruggenthaler and D. Bauer
Physical Review Letters 102, 233001 (2009)

Multiphoton ionization of atoms and ions by high-intensity X-ray lasers

S. B. Popruzhenko, V. D. Mur, V. S. Popov, and D. Bauer
Journal of Experimental and Theoretical Physics 108, 947-962 (2009)

Laser-Driven Ultrafast Field Propagation on Solid Surfaces

K. Quinn, P. A. Wilson, C. A. Cecchetti, B. Ramakrishna, L. Romagnani, G. Sarri, L. Lancia, J. Fuchs, A. Pipahl, T. Toncian, O. Willi, R. J. Clarke, D. Neely, M. Notley, P. Gallegos, D. C. Carroll, M. N. Quinn, X. H. Yuan, P. McKenna, T. V. Liseykina, A. Macchi, and M. Borghesi
Physical Review Letters 102, 194801 (2009)

Laser-induced nonresonant nuclear excitation in muonic atoms

A. Shahbaz, C. Müller, T. J. Bürvenich, and C. H. Keitel
Nuclear Physics A 821, 106-117 (2009)

Lepton pair production in high-frequency laser fields

C. Müller, C. Deneke, M. Ruf, G. R. Mocken, K. Z. Hatsagortsyan, and C. H. Keitel
Laser Physics 19, 791-796 (2009)

Atom microscopy via two-photon spontaneous emission spectroscopy

S. Qamar, J. Evers, and M. S. Zubairy
Physical Review A 79, 043814 (2009)

Carrier-envelope-phase-dependent effects of high-order harmonic generation in a strongly driven two-level atom

P. Huang, X. T. Xie, X. Y. Lu, J. H. Li, and X. X. Yang
Physical Review A 79, 043806 (2009)

Highlights from particle-in-cell simulations of superintense laser-plasma interactions

A. Macchi, A. Bigongiari, and T. V. Liseikina
Nuovo Cimento della Societa Italiana di Fisica C- Colloquia on Physics 32, 153-156 (2009)

Photon polarization in the two-photon decay of heavy hydrogen-like ions

A. Surzhykov, T. Radtke, P. Indelicato, and S. Fritzsche
European Physical Journal - Special Topics 169, 29-34 (2009)

Theory and simulation of ion acceleration with circularly polarized laser pulses

A. Macchi, T. V. Liseikina, S. Tuveri, and S. Veghini
Comptes Rendus Physique 10, 207-215 (2009)

Ionization Dynamics versus Laser Intensity in Laser-Driven Multiply Charged Ions

H. G. Hetzheim and C. H. Keitel
Physical Review Letters 102, 083003 (2009)

Pair Production in Laser Fields Oscillating in Space and Time

M. Ruf, G. R. Mocken, C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 102, 080402 (2009)

Nonlinear Bethe-Heitler pair creation with attosecond laser pulses at the LHC

C. Müller
Physics Letters B 672, 56-60 (2009)

Recursive algorithm for arrays of generalized Bessel functions: Numerical access to Dirac-Volkov solutions

E. Lötstedt and U. D. Jentschura
Physical Review E 79, 026707 (2009)

Dynamical control of pulse propagation in electromagnetically induced transparency

M. Kiffner and T. N. Dey
Physical Review A 79, 023829 (2009)

Virtual resonant states in two-photon decay processes: Lower-order terms, subtractions, and physical interpretations

U. D. Jentschura
Physical Review A 79, 022510 (2009)

Coulomb-field-induced conversion of a high-energy photon into a pair assisted by a counterpropagating laser beam

E. Lötstedt, U. D. Jentschura, and C. H. Keitel
New Journal of Physics 11, 013054 (2009)

Quantum time scales in alpha tunneling

N.D. Kelkar, H.M. Castaneda, and M. Nowakowski
Europhysics Letters 85, 20006 (2009)

Unified Treatment of Even and Odd Anharmonic Oscillators of Arbitrary Degree

U. D. Jentschura, A. Surzhykov, and J. Zinn-Justin
Physical Review Letters 102, 011601 (2009)

Antimatter: Abundant positron production

C. Müller and C. H. Keitel
Nature Photonics 3, 245-246 (2009)

Breit interaction effects on the K alpha angular distribution following the dielectronic recombination of high-Z ions

N. M. Kabachnik, S. Fritzsche, A. Surzhykov, and T. Stöhlker
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 267, 257-259 (2009)

Fine-structure effects on the polarization of K alpha(1) radiation from heavy, highly-charged ions

A. Surzhykov, T. Stöhlker, and S. Fritzsche
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 267, 251-253 (2009)

Robust coherent preparation of entangled states of two coupled flux qubits via dynamic control of the transition frequencies

K. Y. Xia, M. Macovei, J. Evers, and C. H. Keitel
Physical Review B 79, 024519 (2009)

Correlated atomic population fluctuations via the environmental reservoir

M. Macovei, Y. P. Niu, S. Q. Gong, and C. H. Keitel
Journal of Modern Optics 56, 704-709 (2009)

Laser photon merging in proton laser collisions

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review. A 78, 062109 (2008)

Collisionless laser-energy conversion by anharmonic resonance

P. Mulser, D. Bauer, and H. Ruhl
Physical Review Letters 101, 225002, 1-4 (2008)

Four-wave mixing enhanced white-light cavity

R. Fleischhaker and J. Evers
Physical Review A 78, 051802, 1-4 (2008)

Laser channeling of Bethe-Heitler pairs

E. Lötstedt, U. D. Jentschura, and C. H. Keitel
Physical Review Letters 101, 203001, 1-4 (2008)

Strong field ionization rate for arbitrary laser frequencies

S. V. Popruzhenko, V. D. Mur, V. S. Popov, and D. Bauer
Physical Review Letters 101, 193003, 1-4 (2008)

Radiation pressure acceleration by ultraintense laser pulses

T. V. Liseykina, M. Borghesi, A. Macchi, and S. Tuveri
Plasma Physics and Controlled Fusion 50, 124033, 1-9 (2008)

Quantum vacuum effects in strong laser beams

A. Di Piazza and K. Z. Hatsagortsyan
Plasma Physics and Controlled Fusion 50, 124035 (2008)

Revisiting unitarity corrections for electromagnetic processes in collisions of relativistic nuclei

U. D. Jentschura, K. Hencken, and V. G. Serbo
European Physical Journal C 58, 281-289 (2008)

Parametric and nonparametric magnetic response enhancement via electrically induced magnetic moments

B. Jungnitsch and J. Evers
Physical Review A 78, 043817, 1-13 (2008)

Reexamining blackbody shifts for hydrogenlike ions

U. D. Jentschura and M. Haas
Physical Review A 78, 042504, 1-5 (2008)

Strong field approximation for systems with Coulomb interaction

S. V. Popruzhenko and D. Bauer
Journal of Modern Optics 55, 2573-2589 (2008)

Muon pair creation from positronium in a linearly polarized laser field

C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 78, 033408, 1-19 (2008)

Recollision-induced plasmon excitation in strong laser fields

M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer
Physical Review A 78, 033413 (2008)

Angular distribution of the dielectronic satellite lines from relativistic high-Z ions: Multipole-mixing effects

N. M. Kabachnik, A. Surzhykov, and S. Fritzsche
Physical Review A 78, 032703 (2008)

Bound-free e+e- pair creation with a linearly polarized laser field and a nuclear field

C. Deneke and C. Müller
Physical Review A 78, 033431 (2008)

Muon-pair creation by two x-ray laser photons in the field of an atomic nucleus

C. Müller, C. Deneke, and C. H. Keitel
Physical Review Letters 101, 060402, 1-4 (2008)

Ponderomotive acceleration of ions: Circular versus linear polarization

T. V. Liseikina, D. Prellino, F. Cornolti, and A. Macchi
IEEE Transactions on Plasma Science 36, 1866-1871 (2008)

Polarization correlation in the two-photon decay of atomic hydrogen: nonlocality versus entanglement

T. Radtke, A. Surzhykov, and S. Fritzsche
European Physical Journal D 49, 7-12 (2008)

Coulomb correction to the ionization rate of atoms in high-frequency intense laser fields

S. V. Popruzhenko, V. D. Mur, and V. S. Popov
Physics Letters A 372, 5167-5170 (2008)

Photon polarization as a probe for quark-gluon plasma dynamics

A. Ipp, A. Di Piazza, J. Evers, and C. H. Keitel
Physics Letters B 666, 315-319 (2008)

Quantum interaction among intense laser beams in vacuum

A. Di Piazza and K. Z. Hatsagortsyan
European Physical Journal-Special Topics 160, 147-155 (2008)

Laser-driven relativistic recollisions

K. Z. Hatsagortsyan, M. Klaiber, C. Müller, M. C. Kohler, and C. H. Keitel
Journal of the Optical Society of America B-Optical Physics 25, B92-B103 (2008)

Charge states and effective loss cross sections for 33 TeV lead ions penetrating aluminum and gold foils

A. B. Voitkiv, B. Najjari, and A. Surzhykov
Journal of Physics B-Atomic Molecular and Optical Physics 41, 111001, 1-7 (2008)

Ellipticity effects and the contributions of long orbits in nonsequential double ionization of atoms

N. I. Shvetsov-Shilovski, S. P. Goreslavski, S. V. Popruzhenko, and W. Becker
Physical Review A 77, 063405, 1-10 (2008)

Harmonic emission from cluster nanoplasmas subject to intense short laser pulses

S. V. Popruzhenko, M. Kundu, D. F. Zaretsky, and D. Bauer
Physical Review A 77, 063201, 1-11 (2008)

Plasma jets driven by ultraintense-laser intercation with thin foils

S. V. Bulanov, M. H. Key, T. V. Liseykina, A. Macchi, A. J. Mackinnon, P. K. Patel, L. Romagnani, A. Schiavi, and O. Willi
Physical Review Letters 100, 225004 (2008)

Energy absorption and emission of harmonics by clusters subject to intense short laser pulses

S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer
Laser Physics Letters 5, 631-646 (2008)

FFT-split-operator code for solving the Dirac equation in 2+1 dimensions

G. R. Mocken and C. H. Keitel
Computer Physics Communications 178, 868-882 (2008)

Coulomb-corrected quantum trajectories in strong-field ionization

S. V. Popruzhenko, G. G. Paulus, and D. Bauer
Physical Review A 77, 053409, 1-7 (2008)

Laser-driven collisions of electron bunches

M. Verschl and C. Müller
Optics Communications 281, 4352-4357 (2008)

Laser-driven recollisions generalized to relativistic energies

M. Verschl
Laser Physics 18, 598-607 (2008)

Alignment of heavy few-electron ions following excitation by relativistic Coulomb collisions

A. Surzhykov, U. D. Jentschura, T. Stöhlker, A. Gumberidze, and S. Fritzsche
Physical Review A 77, 042722, 1-8 (2008)

Electron self-energy in the presence of a magnetic field: Hyperfine splitting and g factor

V. A. Yerokhin and U. D. Jentschura
Physical Review Letters 100, 163001 (2008)

Fundamental constants and tests of theory in Rydberg states of hydrogenlike ions

U. D. Jentschura, P. J. Mohr, J. N. Tan, and B. J. Wundt
Physical Review Letters 100, 160404, 1-4 (2008)

Direct high-power laser acceleration of ions for medical applications

Y. I. Salamin, Z. Harman, and C. H. Keitel
Physical Review Letters 100, 155004, 1-4 (2008)

Relativistic calculation of the two-photon decay rate of highly excited ionic states

U. D. Jentschura and A. Surzhykov
Physical Review A 77, 042507, 1-5 (2008)

Relativistic time dilation and the spectrum of electrons emitted by 33-TeV lead ions penetrating thin foils

B. Najjari, A. Surzhykov, and A. B. Voitkiv
Physical Review A 77, 042714, 1-5 (2008)

Photoemission of a single-electron wave packet in a strong laser field

J. Peatross, C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 100, 153601, 1-4 (2008)

Electric-dipole-forbidden nuclear transitions driven by super-intense laser fields

A. Pálffy, J. Evers, and C. H. Keitel
Physical Review C 77, 044602, 1-9 (2008)

Intrinsic channel closing in strong-field single ionization of H2

S. Pieper and M. Lein
Physical Review A 77, 041403, 1-4 (2008)

Nuclear-resonant electron scattering

A. Pálffy and Z. Harman
Physical Review A 77, 042704, 1-11 (2008)

Nonlinear effects in pulse propagation through Doppler-broadened closed-loop atomic media

R. Fleischhaker and J. Evers
Physical Review A 77, 043805, 1-9 (2008)

Delbrück scattering in combined Coulomb and laser fields

A. Di Piazza and A. I. Milstein
Physical Review A 77, 042102, 1-10 (2008)

Two-photon decays reexamined: cascade contributions and gauge invariance

U. D. Jentschura
Journal of Physics A: Mathematical and Theoretical 41, 155307, 1-13 (2008)

Optimizing the ionization and energy absorption of laser-irradiated clusters

M. Kundu and D. Bauer
Physics of Plasmas 15, 033303, 1-9 (2008)

Spatially entangled atomic deflections in twin-photon light beams

G. Y. Kryuchkyan, M. Macovei, and C. H. Keitel
Physical Review A 77, 035603, 1-4 (2008)

Passing messages to lonely numbers

H. Bauke
Computing in Science & Engineering 10, 32-40 (2008)

High-energy, nuclear and QED processes in strong laser fields

C. Müller, A. Di Piazza, A. Shahbaz, T. J. Bürvenich, J. Evers, K. Z. Hatsagortsyan, and C. H. Keitel
Laser Physics 18, 175-184 (2008)

Nuclear excitation by electron capture followed by fast x-ray emission

A. Pálffy, Z. Harman, C. Kozhuharov, C. Brandau, C. H. Keitel, W. Scheid, and T. Stöhlker
Physics Letters B 661, 330-334 (2008)

Isotope shift in the dielectronic recombination of three-electron ANd57+

C. Brandau, C. Kozhuharov, Z. Harman, A. Müller, S. Schippers, Y. S. Kozhedub, D. Bernhardt, S. Böhm, J. Jacobi, E. W. Schmidt, P. H. Mokler, F. Bosch, H.-J. Kluge, T. Stöhlker, K. Beckert, P. Beller, F. Nolden, M. Steck, A. Gumberidze, R. Reuschl, U. Spillmann, F. J. Currell, I. I. Tupitsyn, V. M. Shabaev, U. D. Jentschura, C. H. Keitel, A. Wolf, and Z. Stachura
Physical Review Letters 100, 073201 (2008)

Structure, time propagation and dissipative terms for resonances

U. D. Jentschura, A. Surzhykov, M. Lubasch, and J. Zinn-Justin
Journal of Physics A - Mathematical and Theoretical 41, 095302 (2008)

Resonant interferometric lithography beyond the diffraction limit

M. Kiffner, J. Evers, and M. S. Zubairy
Physical Review Letters 100, 073602 (2008)

Coherent hard x rays from attosecond pulse train-assisted harmonic generation

M. Klaiber, K. Z. Hatsagortsyan, C. Müller, and C. H. Keitel
Optics Letters 33, 411-413 (2008)

Exact solution of the Landau-Lifshitz equation in a plane wave

A. Di Piazza
Letters in Mathematical Physics 83, 305-313 (2008)

Large contribution of virtual Delbrück scattering to the emission of photons by relativistic nuclei in nucleus-nucleus and electron-nucleus collisions

I. F. Ginzburg, U. D. Jentschura, and V. G. Serbo
The European Physical Journal C 54, 267-276 (2008)

Quasiclassical description of bremsstrahlung accompanying α decay including quadrupole radiation

U. D. Jentschura, A. I. Milstein, I. S. Terekhov, H. Boie, H. Scheit, and D. Schwalm
Physical Review C-Nuclear Physics 77, 014611 (2008)

Reparameterization invariance of NRQED self-energy corrections and improved theory for excited D states in hydrogenlike systems

B. J. Wundt and U. D. Jentschura
Physics Letters B 659, 571-575 (2008)

Dipole-dipole interaction between orthogonal dipole moments in time-dependent geometries

S. I. Schmid and J. Evers
Physical Review A-Atomic, Molecular, and Optical Physics 77, 013822 (2008)

Particle physics with a laser-driven positronium atom

C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel
Physics Letters B 659, 209-213 (2008)

Nonperturbative vacuum-polarization effects in proton-laser collisions

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 100, 010403 (2008)

Group velocity control in the ultraviolet domain via interacting dark-state resonances

M. Mahmoudi, R. Fleischhaker, M. Sahrai, and J. Evers
Journal of Physics B: Atomic, Molecular and Optical Physics 41, 025504 (2008)

Dominance of virtual Delbrück scattering for the photon emission by nuclei in relativistic electron-nucleus and nucleus-nucleus collisions

I. F. Ginzburg, U. D. Jentschura, and V. G. Serbo
Physics Letters B 658, 125-129 (2008)

Influence of molecular vibration on enhancements in high-order above-threshold ionization of hydrogen molecules

S. Pieper and M. Lein
Journal of Modern Optics 55, 2631-2641 (2008)

Double-resonance g-factor measurements by quantum jump spectroscopy

W. Quint, B. Nikoobakht, and U. D. Jentschura
Pis'ma v Zhetf 87, 36-40 (2008)

Electron capture into few-electron heavy ions: Independent particle model

A. Surzhykov, U. D. Jentschura, T. Stöhlker, and S. Fritzsche
European Physical Journal D 46, 27-36 (2008)

A systematic study of nuclear photoexcitation with X-ray laser fields

A. Pálffy
Journal of Modern Optics 55, 2603-2615 (2008)

Model calculations of photoemission from a surface-deposited fullerene monolayer

O. Kidun, D. Bauer, N. Fominykh, and J. Berakdar
Journal of Physics B-Atomic Molecular and Optical Physics 40, 4617-4624 (2007)

Applicability of layered sine-Gordon models to layered superconductors: II. The case of magnetic coupling

I. Nandori, K. Vad, S. Meszaros, U. D. Jentschura, S. Nagy, and K. Sailer
Journal of Physics-Condensed Matter 19, 496211 (2007)

Nonperturbative resonant strong field ionization of atomic hydrogen

M. G. Girju, K. Hristov, O. Kidun, and D. Bauer
Journal of Physics B-Atomic Molecular and Optical Physics 40, 4165-4178 (2007)

Zeeman splitting and g factor of the 1s22s22p 2P3/2 and 2P1/2 levels in Ar13+

R. Soria Orts, J. R. Crespo López-Urrutia, H. Bruhns, A. J. G. Martinez, Z. Harman, U. D. Jentschura, C. H. Keitel, A. Lapierre, H. Tawara, I. I. Tupitsyn, J. Ullrich, and A. V. Volotka
Physical Review A 76, 052501 (2007)

Enhancement of entanglement for two-mode fields generated from four-wave mixing with the help of the auxiliary atomic transition

G. X. Li, H. T. Tan, and M. Macovei
Physical Review A 76, 053827 (2007)

Isomer triggering via nuclear excitation by electron capture

A. Palffy, J. Evers, and C. H. Keitel
Physical Review Letters 99, 172502 (2007)

Reconstruction of an arbitrarily polarized few-cycle laser pulse by two-dimensional streaking

N. I. Shvetsov-Shilovski, S. P. Goreslavski, S. V. Popruzhenko, W. Becker, and G. G. Paulus
Laser Physics Letters 4, 726-733 (2007)

Harmonic generation from laser-irradiated clusters

M. Kundu, S. V. Popruzhenko, and D. Bauer
Physical Review A 76, 033201 (2007)

Photon splitting in a laser field

A. Di Piazza, A. I. Milstein, and C. H. Keitel
Physical Review A 76, 032103 (2007)

Interference effects in above-threshold ionization from diatomic molecules: Determining the internuclear separation

H. Hetzheim, C. F. D. M. Faria, and W. Becker
Physical Review A 76, 023418 (2007)

Entangled light via nonlinear vacuum-multiparticle interactions

M. Macovei and G. X. Li
Physical Review A 76, 023818 (2007)

Momentum distributions in time-dependent density-functional theory: Product-phase approximation for nonsequential double ionization in strong laser fields

F. Wilken and D. Bauer
Physical Review A 76, 023409 (2007)

Bremsstrahlung in alpha decay reexamined

H. Boie, H. Scheit, U. D. Jentschura, F. Köck, M. Lauer, A. I. Milstein, I. S. Terekhov, and D. Schwalm
Physical Review Letters 99, 022505 (2007)

Unified description of deconfined QCD equation of state

A. Ipp, K. Kajantie, A. Rebhan, and A. Vuorinen
Journal of Physics G: Nuclear and Particle Physics 34, S631-S634 (2007)

From useful algorithms for slowly convergent series to physical predictions based on divergent perturbative expansions

E. Caliceti, M. Meyer-Hermann, P. Ribeca, A. Surzhykov, and U. D. Jentschura
Physics Reports-Review Section of Physics Letters 446, 1-96 (2007)

Breakdown of the few-level approximation in collective systems

M. Kiffner, J. Evers, and C. H. Keitel
Physical Review A 76, 013807 (2007)

Nuclear signatures in high-order harmonic generation from laser-driven muonic atoms

A. Shahbaz, C. Müller, A. Staudt, T. J. Burvenich, and C. H. Keitel
Physical Review Letters 98, 263901 (2007)

On the applicability of the layered sine-Gordon model for Josephson-coupled high-Tc layered superconductors

I. Nandori, U. D. Jentschura, S. Nagy, K. Sailer, K. Vad, and S. Meszaros
Journal of Physics-Condensed Matter 19, 236226 (2007)

Fully relativistic laser-induced ionization and recollision processes

M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 75, 063413 (2007)

Superbunched photons via a strongly pumped near-equispaced multiparticle system

M. Macovei and C. H. Keitel
Physical Review B 75, 245325 (2007)

QED treatment of electron correlation in Li-like ions

V. A. Yerokhin, A. N. Artemyev, and V. M. Shabaev
Physical Review A 75, 062501 (2007)

Production of light particles by very strong and slowly varying magnetic fields

G. Calucci and A. Di Piazza
Brazilian Journal of Physics 37, 751-753 (2007)

Electron wave-packet dynamics in a relativistic electromagnetic field: 3-D analytical approximation

J. Peatross, C. Müller, and C. H. Keitel
Optics Express 15, 6053-6061 (2007)

Radiative orbital electron capture by the atomic nucleus

K. Pachucki, U. D. Jentschura, and M. Pfutzner
Physical Review C 75, 055502 (2007)

Laser-assisted bremsstrahlung for circular and linear polarization

S. Schnez, E. Lötstedt, U. D. Jentschura, and C. H. Keitel
Physical Review A 75, 053412 (2007)

Atom localization and center-of-mass wave-function determination via multiple simultaneous quadrature measurements

J. Evers, S. Qamar, and M. S. Zubairy
Physical Review A 75, 053809 (2007)

Two-loop QED corrections in few-electron ions

V. A. Yerokhin, P. Indelicato, and V. M. Shabaev
Canadian Journal of Physics 85, 521-529 (2007)

Two-loop effects and current status of the 4He+Lamb shift

U. D. Jentschura and M. Haas
Canadian Journal of Physics 85, 531-540 (2007)

On the inclusion of the Coulomb interaction in the theory of multiphoton ionization

V. S. Popov, V. D. Mur, and S. V. Popruzhenko
JETP Letters 85, 223-226 (2007)

Nonlinear interaction of strong laser fields in vacuum

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Laser Physics 17, 345-349 (2007)

Influence of Coulomb continuum wave functions in the description of high-order harmonic generation with H-2(+)

M. F. Ciappina, C. C. Chirila, and M. Lein
Physical Review A 75, 043405 (2007)

Quantum tunneling through potentials induced by vacuum-multiparticle interactions

M. A. Macovei
Physical Review A 75, 043803 (2007)

Strongly enhanced high-harmonic generation via antisymmetric ionic states

R. Fischer, M. Lein, and C. H. Keitel
Journal of Physics B-Atomic Molecular and Optical Physics 40, F113-F119 (2007)

Enhancement of vacuum polarization effects in a plasma

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physics of Plasma 14, 032102 (2007)

Refocussed relativistic recollisions

M. Verschl and C. H. Keitel
Europhysics Letters 77, 64004, 1-5 (2007)

Non-uniform convergence of two-photon decay rates for excited atomic states

U. D. Jentschura
Journal of Physics A-Mathematical and Theoretical 40, F223-F227 (2007)

Impact of a static magnetic field on high-order harmonic spectra

R. Fischer, C. H. Keitel, R. Jung, G. Pretzler, and O. Willi
Physical Review A 75, 033401 (2007)

Two-mode single-atom laser as a source of entangled light

M. Kiffner, M. S. Zubairy, J. Evers, and C. H. Keitel
Physical Review A 75, 033816 (2007)

Lifetime determination of the Fe XIV 3s23p 2Po3/2 metastable level

G. Brenner, J. R. Crespo López-Urrutia, Z. Harman, P. H. Mokler, and J. Ullrich
Physical Review A 75, 032504 (2007)

Coherent control in a decoherence-free subspace of a collective multilevel system

M. Kiffner, J. Evers, and C. H. Keitel
Physical Review A 75, 032313 (2007)

Effects of the target polarization on the diagnostics of spin-polarized heavy ions

A. Surzhykov, S. Fritzsche, and T. Stohlker
Radiation Physics and Chemistry 76, 392-396 (2007)

Localization of atomic ensembles via superfluorescence

M. Macovei, J. Evers, C. H. Keitel, and M. S. Zubairy
Physical Review A 75, 033801 (2007)

Relativistic recollisions with two consecutive laser pulses

M. Verschl and C. H. Keitel
Journal of Physics B-Atomic Molecular and Optical Physics 40, F69-F76 (2007)

Harmonium in intense laser fields: excitation, absorption and transparency

O. Kidun and D. Bauer
Journal of Physics B-Atomic Molecular and Optical Physics 40, 779-786 (2007)

Relativistic classical and quantum dynamics in intense crossed laser beams of various polarizations

M. Verschl and C. H. Keitel
Physical Review Special Topics-Accelerators and Beams 10, 024001 (2007)

Vacuum heating versus skin layer absorption of intense femtosecond laser pulses

D. Bauer and P. Mulser
Physics of Plasmas 14, 023301 (2007)

Enhancing superfluorescence via decay interference

M. A. Macovei
Journal of Physics B-Atomic Molecular and Optical Physics 40, 387-392 (2007)

Strong-field spatial interference in a tailored electromagnetic bath

M. Macovei, J. Evers, G. X. Li, and C. H. Keitel
Physical Review Letters 98, 043602, 1-4 (2007)

Nonsequential double recombination in intense laser fields

P. Koval, F. Wilken, D. Bauer, and C. H. Keitel
Physical Review Letters 98, 043904 (2007)

Evaluation of laser-assisted bremsstrahlung with Dirac-Volkov propagators

E. Lötstedt, U. D. Jentschura, and C. H. Keitel
Physical Review Letters 98, 043002 (2007)

Quantum interference between nuclear excitation by electron capture and radiative recombination

A. Palffy, Z. Harman, and W. Scheid
Physical Review A 75, 012709 (2007)

Photon angular distribution and nuclear-state alignment in nuclear excitation by electron capture

A. Palffy, Z. Harman, A. Surzhykov, and U. D. Jentschura
Physical Review A 75, 012712 (2007)

Enhanced recollision dynamics via the combination of antisymmetric wave functions and beyond-dipole effects

R. Fischer, M. Lein, and C. H. Keitel
Journal of Modern Optics 54, 1911-1926 (2007)

Laser-induced dynamic radiative corrections in the dressed-state and in the Floquet picture

G. Y. Kryuchkyan, U. D. Jentschura, J. Evers, and C. H. Keitel
Journal of Modern Optics 54, 1481-1495 (2007)

Two-loop Bethe logarithms for non-S levels

U. D. Jentschura
Physical Review A 74, 062517, 1-13 (2006)

Light propagation through closed-loop atomic media beyond the multiphoton resonance condition

M. Mahmoudi and J. Evers
Physical Review A 74, 063827, 1-10 (2006)

Collisionless energy absorption in the short-pulse intense laser-cluster interaction

M. Kundu and D. Bauer
Physical Review A 74, 063202, 1-11 (2006)

Relativistic ionization rescattering with tailored laser pulses

M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 74, 051803, 1-4 (2006)

Adiabatic Approximation of the Correlation Function in the Density-Functional Treatment of Ionization Processes

F. Wilken and D. Bauer
Physical Review Letters 97, 203001, 1-4 (2006)

1 radiation from heavy, heliumlike ions produced in relativistic collisions

A. Surzhykov, U. D. Jentschura, T. Stöhlker, and S. Fritzsche
Physical Review A 74, 052710, 1-5 (2006)

Photoionization broadening of the 1S-2S transition in a beam of atomic hydrogen

N. Kolachevsky, M. Haas, U. D. Jentschura, M. Herrmann, P. Fendel, M. Fischer, R. Holzwarth, T. Udem, C. H. Keitel, and T. W. Hänsch
Physical Review A 74, 052504, 1-9 (2006)

Quantum dot potentials: Symanzik scaling, resurgent expansions, and quantum dynamics

A. Surzhykov, M. Lubasch, J. Zinn-Justin, and U. D. Jentschura
Physical Review B 74, 205317, 1-13 (2006)

High-order above-threshold ionization in stretched molecules

C. C. Chirila and M. Lein
Physical Review A 74, 051401, 1-4 (2006)

Distilling two-atom distance information from intensity-intensity correlation functions

J. Chang, J. Evers, and M. S. Zubairy
Physical Review A 74, 043820, 1-9 (2006)

Muon pair creation from positronium in a circularly polarized laser field

C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review D 74, 074017, 1-16 (2006)

Dynamic nuclear Stark shift in superintense laser fields

T. J. Bürvenich, J. Evers, and C. H. Keitel
Physical Review C 74, 044601, 1-9 (2006)

Enhanced Recollisions for Antisymmetric Molecular Orbitals in Intense Laser Fields

R. Fischer, M. Lein, and C. H. Keitel
Physical Review Letters 97, 143901, 1-4 (2006)

Exploring Relativistic Many-Body Recoil Effects in Highly Charged Ions

R. Soria Orts, Z. Harman, J. R. Crespo López-Urrutia, A. N. Artemyev, H. Bruhns, A. J. González Martínez, U. D. Jentschura, C. H. Keitel, A. Lapierre, V. Mironov, V. M. Shabaev, H. Tawara, I. I. Tupitsyn, J. Ullrich, and A. V. Volotka
Physical Review Letters 97, 103002, 1-4 (2006)

Microscopic laser-driven high-energy colliders

K. Z. Hatsagortsyan, C. Müller, and C. H. Keitel
Europhysics Letters 76, 29-35 (2006)

Light Diffraction by a Strong Standing Electromagnetic Wave

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 97, 083603, 1-4 (2006)

Controlling multiparticle correlations with a strong laser field

M. Dal Col, M. Macovei, and C. H. Keitel
Optics Communications 264, 407-412 (2006)

Above-threshold ionization by few-cycle pulses

D. B. Milosevic, G. G. Paulus, D. Bauer, and W. Becker
Journal of Physics B: Atomic, Molecular and Optical Physics 39, R203-R262 (2006)

Influence of nuclear vibration on harmonic generation in molecules

C. C. Chirila and M. Lein
Journal of Physics B 39, 437-444 (2006)

Collective coherent population trapping in a thermal field

M. Macovei, Z. Ficek, and C. H. Keitel
Physical Review A 73, 063821 (2006)

Interference in the resonance fluorescence of two incoherently coupled transitions

M. Kiffner, J. Evers, and C. H. Keitel
Physical Review A 73, 063814 (2006)

Polarization-operator approach to electron-positron pair production in combined laser and Coulomb fields

A. I. Milstein, C. Müller, K. Z. Hatsagortsyan, U. D. Jentschura, and C. H. Keitel
Physical Review A 73, 062106 (2006)

Quantum electrodynamic corrections to the hyperfine structure of excited S states

U. D. Jentschura and V. A. Yerokhin
Physical Review A 73, 062503 (2006)

Gauge-invariant relativistic strong-field approximation

M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 73, 053411 (2006)

Benchmarking high-field few-electron correlation and QED contributions in Hg75+ to Hg78+ ions: II. Theory

Z. Harman, I. I. Tupitsyn, A. N. Artemyev, U. D. Jentschura, C. H. Keitel, A. J. González Martínez, J. R. Crespo López-Urrutia, H. Tawara, and J. Ullrich
Physical Review A 73, 052711, 1-13 (2006)

Benchmarking high-field few-electron correlation and QED contributions in Hg75+ to Hg78+ ions: I. Experiment

A. J. González-Martínez, J. R. Crespo López-Urrutia, J. Braun, G. Brenner, H. Bruhns, A. Lapierre, V. Mironov, R. Soria Orts, H. Tawara, M. Trinczek, J. Ullrich, A. N. Artemyev, Z. Harman, U. D. Jentschura, C. H. Keitel, J. H. Scofield, and I. I. Tupitsyn
Physical Review A 73, 052710, 1-10 (2006)

Two-photon excitation dynamics in bound two-body Coulomb systems including ac Stark shift and ionization

M. Haas, U. D. Jentschura, C. H. Keitel, N. Kolachevsky, M. Herrmann, P. Fendel, M. Fischer, T. Udem, R. Holzwarth, T. W. Hänsch, M. O. Scully, and G. S. Agarwal
Physical Review A 73, 052501 (2006)

Probing Proton Dynamics in Molecules on an Attosecond Time Scale

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirila, M. Lein, J. W. G. Tisch, and J. P. Marangos
Science 312, 424-427 (2006)

Two-electron ionization and stabilization beyond the dipole approximation

A. Staudt and C. H. Keitel
Physical Review A 73, 043412 (2006)

Nuclear Quantum Optics with X-Ray Laser Pulses

T. J. Bürvenich, J. Evers, and C. H. Keitel
Physical Review Letters 96, 142501 (2006)

Mass measurements and the bound-electron g factor

U. D. Jentschura, A. Czarnecki, K. Pachucki, and V. Yerokhin
International Journal of Mass Spectrometry 251, 102-108 (2006)

Nonlinear Resonance Absorption in the Laser-Cluster Interaction

M. Kundu and D. Bauer
Physical Review Letters 96, 123401, 1-4 (2006)

Radiative electron capture into high-Z few-electron ions: Alignment of the excited ionic states

A. Surzhykov, U. D. Jentschura, T. Stöhlker, and S. Fritzsche
Physical Review A 73, 032716, 1-8 (2006)

Quantum Interference Enforced by Time-Energy Complementarity

M. Kiffner, J. Evers, and C. H. Keitel
Physical Review Letters 96, 100403, 1-4 (2006)

Measurement of the separation between atoms beyond diffraction limit

J. T. Chang, J. Evers, M. O. Scully, and M. S. Zubairy
Physical Review A 73, 031803, 1-4 (2006)

Effective action and phase structure of multi-layer sine-Gordon type models

U. D. Jentschura, I. Nándori, and J. Zinn-Justin
Annals of Physics 321, 2647-2659 (2006)

Relativistic high-power laser–matter interactions

Y. I. Salamin, S. X. Hu, K. Z. Hatsagortsyan, and C. H. Keitel
Physics Reports 427, 41-155 (2006)

QPROP: A Schrödinger-solver for intense laser–atom interaction

D. Bauer and P. Koval
Computer Physics Communications 174, 396-421 (2006)

Strong-field approximation for harmonic generation in diatomic molecules

C. C. Chirila and M. Lein
Physical Review A 73, 023410 (2006)

Geometry-dependent dynamics of two Λ-type atoms via vacuum-induced coherences

J. Evers, M. Kiffner, M. Macovei, and C. H. Keitel
Physical Review A 73, 023804 (2006)

Theory of nuclear excitation by electron capture for heavy ions

A. Pálffy, W. Scheid, and Z. Harman
Physical Review. A 73, 012715 (2006)

Quantum-orbit theory of high-order atomic processes in intense laser fields

D. B. Milosevic, D. Bauer, and W. Becker
Journal of Modern Optics 53, 125-134 (2006)

On the validity of the strong field approximation and simple man's theory

D. Bauer, D. B. Milosevic, and W. Becker
Journal of Modern Optics 53, 135-147 (2006)

High-order harmonic generation in vibrating molecules

C. C. Chirila and M. Lein
Journal of Modern Optics 53, 113-124 (2006)

Ionization suppression of excited atomic states beyond the stabilization regime

A. Staudt, C. H. Keitel, and J. S. Briggs
Journal of Physics B 39, 633-639 (2006)

Anomalous magnetic moments of free and bound leptons

A. Czarnecki, U. D. Jentschura, K. Pachucki, and V. Yerokhin
Canadian Journal of Physics 84, 1-10 (2006)

Comparison of classical and second quantized description of the dynamic Stark shift

M. Haas, U. D. Jentschura, and C. H. Keitel
American Journal of Physics 74, 77-81 (2006)

Phase-dependent interference mechanisms in a three-level Lambda system driven by a quantized laser field

J. Evers
Journal of Modern Optics 52, 2699-2712 (2005)

Magnetic-dipole transition probabilities in B-like and Be-like ions

I. Tupitsyn, A. V. Volotka, D. A. Glazov, V. M. Shabaev, G. Plunien, J. R. Crespo López-Urrutia, A. Lapierre, and J. Ullrich
Physical Review A 72, 062503, 1-9 (2005)

Quantum correlations of an atomic ensemble via an incoherent bath

M. Macovei, J. Evers, and C. H. Keitel
Physical Review A 72, 063809, 1-5 (2005)

Nonrelativistic QED approach to the Lamb shift

U. D. Jentschura, A. Czarnecki, and K. Pachucki
Physical Review A 72, 062102, 1-20 (2005)

Laser-dressed vacuum polarization in a Coulomb field

A. I. Milstein, I. S. Terekhov, U. D. Jentschura, and C. H. Keitel
Physical Review A 72, 052104, 1-12 (2005)

Mechanisms of ultrahigh-order harmonic generation

M. Lein
Physical Review A 72, 053816, 1-4 (2005)

Calculation of the one- and two-loop lamb shift for arbitrary excited hydrogenic states

A. Czarnecki, U. D. Jentschura, and K. Pachucki
Physical Review Letters 95, 180404, 1-4 (2005)

Relativistic electron correlation, quantum electrodynamics and the lifetime of the 1s22s22p 23/2 level in boronlike argon

A. Lapierre, U. D. Jentschura, J. R. Crespo López-Urrutia, J. Braun, G. Brenner, H. Bruhns, D. Fischer, A. J. González Martínez, Z. Harman, W. R. Johnson, C. H. Keitel, V. Mironov, C. J. Osborne, G. Sikler, R. Soria Orts, H. Tawara, I. I. Tupitsyn, J. Ullrich, and A. Volotka
Physical Review Letters 95, 183001, 1-4 (2005)

Rapid refractive index enhancements via laser-mediated collectivity

M. Macovei and C. H. Keitel
Journal of Physics B-Atomic Molecular and Optical Physics 38, L315-L321 (2005)

Precise calculation of transition frequencies of hydrogen and deuterium based on a least-squares analysis

U. D. Jentschura, S. Kotochigova, E. Le Bigot, P. J. Mohr, and B. N. Taylor
Physical Review Letters 95, 163003, 1-4 (2005)

Renormalization-group analysis of layered sine-Gordon type models

I. Nandori, S. Nagy, K. Sailer, and U. D. Jentschura
Nuclear Physics B 725, 467-492 (2005)

Harmonic generation from laser-driven vacuum

A. Di Piazza, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review D 72, 085005, 1-23 (2005)

Techniques in analytic Lamb shift calculations

U. D. Jentschura
Modern Physics Letters A 20, 2261-2276 (2005)

Free-electron quantum signatures in intense laser fields

M. Mahmoudi, Y. I. Salamin, and C. H. Keitel
Physical Review A 72, 033402, 1-7 (2005)

Strong-field approximation for intense-laser-atom processes: The choice of gauge

D. Bauer, D. B. Milosevic, and W. Becker
Physical Review A 72, 023415, 1-5 (2005)

Complete two-loop correction to the bound-electron g factor

K. Pachucki, A. Czarnecki, U. D. Jentschura, and V. A. Yerokhin
Physical Review A 72, 022108, 1-11 (2005)

Thin crystal layers in superstrong laser fields: Dynamics and coherent x-ray generation

K. Z. Hatsagortsyan and C. H. Keitel
Physical Review A 72, 023812, 1-15 (2005)

Isospin dependence in the odd-even staggering of nuclear binding energies

Y. A. Litvinov, T. J. Burvenich, H. Geissel, Y. N. Novikov, Z. Patyk, C. Scheidenberger, F. Attallah, G. Audi, K. Beckert, F. Bosch, M. Falch, B. Franzke, M. Hausmann, T. Kerscher, O. Klepper, H. J. Kluge, C. Kozhuharov, K. E. G. Lobner, D. G. Madland, J. A. Maruhn, G. Munzenberg, F. Nolden, T. Radon, M. Steck, S. Typel, and H. Wollnik
Physical Review Letters 95, 042501, 1-4 (2005)

Self-energy values for P states in hydrogen and low-Z hydrogenlike ions

U. D. Jentschura and P. J. Mohr
Physical Review A 72, 014103, 1-3 (2005)

Calculation of hydrogenic Bethe logarithms for Rydberg states

U. D. Jentschura and P. J. Mohr
Physical Review A 72, 012110, 1-9 (2005)

Some recent advances in bound-state quantum electrodynamics

U. D. Jentschura and J. Evers
Canadian Journal of Physics 83, 375-386 (2005)

Low-frequency-field-induced spontaneous-emission interference in a two-level atom placed in an anisotropic photonic crystal

G. Li, J. Evers, and C. H. Keitel
Journal of Physics B-Atomic Molecular and Optical Physics 38, 1435-1451 (2005)

High-precision measurements in few-electron highly charged ions at the Heidelberg Electron Beam Ion Trap (EBIT)

J. R. Crespo López-Urrutia, J. Braun, G. Brenner, H. Bruhns, I. N. Draganic, A. J. González Martínez, A. Lapierre, V. Mironov, C. Osborne, G. Sikler, R. Soria Orts, H. Tawara, J. Ullrich, I. I. Tupitsyn, and V. M. Shabaev
Canadian Journal of Physics 83, 387-393 (2005)

Toward high-precision values of the self energy of non-S states in hydrogen and hydrogen-like ions

E.-O. Le Bigot, U. D. Jentschura, P. Indelicato, and P. J. Mohr
Canadian Journal of Physics 83, 447-454 (2005)

Emergence of Classical Orbits in Few-Cycle Above-Threshold Ionization of Atomic Hydrogen

D. Bauer
Physical Review Letters 94, 113001, 1-4 (2005)

Above-threshold ionization beyond the dipole approximation

M. Klaiber, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review A 71, 033408, 1-7 (2005)

Coherent manipulation of collective three-level systems

M. Macovei, J. Evers, and C. H. Keitel
Physical Review A 71, 033802, 1-16 (2005)

Attosecond Probing of Vibrational Dynamics with High-Harmonic Generation

M. Lein
Physical Review Letters 94, 053004, 1-4 (2005)

Multiphoton quantum interference on a dipole-forbidden transition

U. Akram, J. Evers, and C. H. Keitel
Journal of Physics B 38, L69-L77 (2005)

Radiation spectra of laser-driven quantum relativistic electrons

G. R. Mocken and C. H. Keitel
Computer Physics Communications 166, 171-190 (2005)

Relativistic and radiative energy shifts for Rydberg states

U. D. Jentschura, E. Le Bigot, J. Evers, P. J. Mohr, and C. H. Keitel
Journal of Physics B 38, S97-S105 (2005)

Analytical Approach to Wave Packet Dynamics of Laser-Driven Particles beyond the Dipole Approximation

M. Verschl and C. H. Keitel
Laser Physics 15, 529-535 (2005)

Radiative Corrections to Multi-Level Mollow-Type Spectra

U. D. Jentschura, J. Evers, and C. H. Keitel
Laser Physics 15, 37-45 (2005)

Irreversible energy gain by linear and nonlinear oscillators

D. Bauer and P. Mulser
Journal of Physics: Conference Series 11, 169-179 (2005)

Relativistic and radiative corrections to the Mollow spectrum

J. Evers, U. D. Jentschura, and C. H. Keitel
Physical Review A 70, 062111, 1-20 (2004)

Two-Loop Bethe logarithms for higher excited S levels

U. D. Jentschura
Physical Review A 70, 052108 (2004)

Nonrelativistic QED Approach to the Bound-Electron g Factor

K. Pachucki, U. D. Jentschura, and V. A. Yerokhin
Physical Review Letters 93, 150401 (2004)

Magnetic and thermal influences on collective resonance fluorescence

M. Macovei, J. Evers, and C. H. Keitel
Europhysics Letters 68, 391-397 (2004)

Double-EIT ground-state laser cooling without blue-sideband heating

J. Evers and C. H. Keitel
Europhysics Letters 68, 370-376 (2004)

Few-photon electron-positron pair creation in the collision of a relativistic nucleus and an intense x-ray laser beam

C. Müller, A. B. Voitkiv, and N. Grün
Physical Review A 70, 023412, 1-9 (2004)

Bound atomic dynamics in the MeV regime

G. R. Mocken and C. H. Keitel
Journal of Physics B-Atomic Molecular and Optical Physics 37, L275-L283 (2004)

Spontaneous-emission suppression via multiphoton quantum interference

J. Evers and C. H. Keitel
Journal of Physics B-Atomic Molecular and Optical Physics 37, 2771-2796 (2004)

Positronium in Intense Laser Fields

B. Henrich, K. Z. Hatsagortsyan, and C. H. Keitel
Physical Review Letters 93, 013601 (2004)

Phase dependence of collective fluorescence via interferences from incoherent pumping

M. Macovei and J. Evers
Optics Communications 240, 379-384 (2004)

New Limits on the Drift of Fundamental Constants from Laboratory Measurements

M. Fischer, N. Kolachevsky, M. Zimmermann, R. Holzwarth, T. Udem, T. W. Hänsch, M. Abgrall, J. Grünert, I. Maksimovic, S. Bize, H. Marion, F. Pereira Dos Santos, P. Lemonde, G. Santarelli, P. Laurent, A. Clairon, C. Salomon, M. Haas, U. D. Jentschura, and C. H. Keitel
Physical Review Letters 92, 230802 (2004)

Influence of molecular structure on double ionization of N2 and O2 by high intensity ultra-short laser pulses

E. Eremina, X. Liu, H. Rottke, W. Sandner, M.G. Schätzel, A. Dreischuh, G.G. Paulus, H. Walther, R. Moshammer, and J. Ullrich
Physical Review Letters 92, 173001 (2004)

Quantum dynamics of relativistic electrons

G. Mocken and C. H. Keitel
Journal of Computational Physics 199, 558-588 (2004)

Simulation of atomic quantum dynamics in combined intense laser and weak electric fields

R. Fischer, A. Staudt, and C. H. Keitel
Computer Physics Communications 157, 139-146 (2004)

Radiative corrections in laser-dressed atoms: formalism and applications

U. D. Jentschura and C. H. Keitel
Annals of Physics 310, 1-55 (2004)

Lamb Shift of Laser-Dressed Atomic States

U. D. Jentschura, J. Evers, M. Haas, and C. H. Keitel
Physical Review Letters 91, 253601 (2003)

Phase Control of Collective Quantum Dynamics

M. Macovei, J. Evers, and C. H. Keitel
Physical Review Letters 91, 233601 (2003)

Nonlinear Bound-Free Pair Creation in the Strong Electromagnetic Fields of a Heavy Nucleus and an Intense X-Ray Laser

C. Müller, A.B. Voitkiv, and N. Grün
Physical Review Letters 91, 223601, 1-4 (2003)

Quantum Signatures in Laser-Driven Relativistic Multiple Scattering

G. R. Mocken and C. H. Keitel
Physical Review Letters 91, 173202 (2003)

Laser Control of Collective Spontaneous Emission

M. Macovei and C. H. Keitel
Physical Review Letters 91, 123601 (2003)

Relativistic Calculations of Isotope Shifts in Highly Charged Ions

I.I. Tupitsyn, V. M. Shabaev, J. R. Crespo López-Urrutia, I. Draganic, R. Soria Orts, and J. Ullrich
Physical Review A 68, 022511, 1-5 (2003)

The spiral galaxy M33 mapped in the FIR by ISOPHOT. A spatially resolved study of the warm and cold dust.

H. Hippelein, M. Haas, R.J. Tuffs, D. Lemke, M. Stickel, U. Klaas, and H.J. Völk
Astronomy & Astrophysics 407, 137-146 (2003)

Differential rates for multiphoton pair production by an ultrarelativistic nucleus colliding with an intense laser beam

C. Müller, A.B. Voitkiv, and N. Grün
Physical Review A 67, 063407, 1-8 (2003)

Stabilization of helium in intense high-frequency laser pulses beyond the dipole approximation

A. Staudt and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 36, L203-L209 (2003)

Quasi-simultaneous double ionization of helium in super-intense high-frequency laser pulses

A. Staudt, J. Prager, and C. H. Keitel
Europhysics letters 62, 691-697 (2003)

Relativistische Quantendynamik in intensiven Laserfeldern

C. H. Keitel
Physik Journal 2, 61-65 (2003)

Low group velocity of light without an extra driving laser field

M. Haas and C. H. Keitel
Optics Communications 216, 385-389 (2003)

Relativistic electron dynamics in intense crossed laser beams: Acceleration and Compton harmonics

Y. I. Salamin, G. R. Mocken, and C. H. Keitel
Physical review E 67, 016501 (2003)

Optimum Conditions for Electron Acceleration Using Tightly Focused Laser Beams

Y. I. Salamin and C. H. Keitel
Laser Physics 13, 407-413 (2003)

Laser Induced Non-Sequential Double Ionization Investigated at and Below the Threshold for Electron Impact Ionization

E. Eremina, X. Liu, H. Rottke, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G.G. Paulus, H. Walther, R. Moshammer, B. Feuerstein, and J. Ullrich
Journal of Physics B 36, 3269-3280 (2003)

Modifying spontaneous emission via interferences from incoherent pump fields

D. Bullock, J. Evers, and C. H. Keitel
Physics Letters. A 307, 3-12 (2002)

Hyperfine quenching of the 23P0,2 states in He-like ions

A. V. Volotka, V. M. Shabaev, G. Plunien, G. Soff, and V. A. Yerokhin
Canadian Journal of Physics 80, 1263-1269 (2002)

Electron scattering and acceleration by a tightly focused laser beam

Y. I. Salamin, G. R. Mocken, and C. H. Keitel
Physical Review Special Topics-Accelerators and Beams 5, 101301 (2002)

Spontaneous-Emission Suppression on Arbitrary Atomic Transitions

J. Evers and C. H. Keitel
Physical Review Letters 89, 163601 (2002)

Inhibiting decoherence via ancilla processes

G. Zeng and C. H. Keitel
Physical Review. A 66, 022306 (2002)

A problematic set of two-loop self-energy corrections

U. D. Jentschura, J. Evers, K. Pachucki, and C. H. Keitel
New Journal of Physics 4, 49, 1-11 (2002)

Dark state suppression and narrow fluorescent feature in a laser-driven Λ atom

J. Evers, D. Bullock, and C. H. Keitel
Optics Communications 209, 173-179 (2002)

g factor of high-Z lithiumlike ions

V. M. Shabaev, D. A. Glazov, M. B. Shabaeva, V. A. Yerokhin, G. Plunien, and G. Soff
Physical Review A 65, 062104 (2002)

Resonant multiphoton X-ray optics with highly charged ions

M. Casu and C. H. Keitel
Europhysics Letters 58, 496-502 (2002)

Phase-matched high-harmonic generation from laser-driven crystals

K. Z. Hatsagortsyan and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 35, L175-L180 (2002)

Spin and radiation in intense laser fields

M. Walser, D. J. Urbach, K. Z. Hatsagortsyan, S. Hu, and C. H. Keitel
Physical Review. A 65, 043410 (2002)

Arbitrated quantum-signature scheme

G. Zeng and C. H. Keitel
Physical Review. A 64, 042312 (2002)

Laser-induced nonsequential double ionization approaching the relativistic regime

J. Prager and K. Z. Hatsagortsyan
Journal of Physics B: Atomic, Molecular and Optical Physics 35, L167-L174 (2002)

Electron Acceleration by a Tightly Focused Laser Beam

Y. I. Salamin and C. H. Keitel
Physical Review Letters 88, 095005 (2002)

Narrow spectral feature in resonance fluorescence with a single monochromatic laser field

J. Evers and C. H. Keitel
Physical Review. A 65, 033813 (2002)

Coherent x-ray pulse generation in the sub-Ångström regime

C. H. Keitel and S. X. Hu
Applied Physics Letters 80, 541-543 (2002)

Relativistic classical Monte Carlo simulations of stabilization of hydrogenlike ions in intense laser pulses

L. N. Gaier and C. H. Keitel
Physical Review. A 65, 023406 (2002)

Two-Loop QED Bound-State Calculations and Squared Decay Rates

U. D. Jentschura, C. H. Keitel, and K. Pachucki
Canadian Journal of Physics 80, 1213-1223 (2002)

Nuclear correlation in ionization and harmonic generation of H2+ in short intense laser pulses

W. Qu, Z. Chen, Z. Xu, and C. H. Keitel
Physical Review. A 65, 013402 (2001)

Relativistic quantum optics

C. H. Keitel
Contemporary Physics 42, 353-363 (2001)

Narrow high-frequency spectral features via laser-induced slow spin flips

M. W. Walser and C. H. Keitel
Optics Communications 199, 447-451 (2001)

High-order regime of harmonic generation with two active electrons

J. Prager, S. Hu, and C. H. Keitel
Physical Review. A 64, 045402 (2001)

Dynamics of multiply charged ions in intense laser fields

S. Hu and C. H. Keitel
Physical Review. A 63, 053402 (2001)

Electron acceleration in combined laser and uniform electric fields

C. H. Keitel, Y. I. Salamin, and F. H. M. Faisal
Journal of Physics A: Mathematical and General 34, 2819-2837 (2001)

X-Ray Amplification by Laser Controlled Coherent Bremsstrahlung

K. Z. Hatsagortsyan and C. H. Keitel
Physical Review Letters 86, 2277-2280 (2001)

Geometric and Algebraic Approach to Classical Dynamics of a Particle with Spin

M. W. Walser and C. H. Keitel
Letters in Mathematical Physics 55, 63-70 (2001)

Rigorous quantum electrodynamics treatment of electron correlations in high-Z ions: beyond the Breit and effective-potential approximations.

V. A. Yerokhin, A. N. Artemyev, V. M. Shabaev, M. M. Sysak, O. M. Zherebtsov, and G. Soff
Philosophical Magazine B 81, 1547-1555 (2001)

QED effects in heavy-electron ions.

V. M. Shabaev, V. A. Yerokhin, O. M. Zherebtsov, A. N. Artemyev, M. M. Sysak, and G. Soff
Hyperfine Interactions 132, 341-348 (2001)

Evaluation of the two-photon exchange graphs for the 2p ½-2s transition in Li-like ions.

V. A. Yerokhin, A. N. Artemyev, V. M. Shabaev, M. M. Sysak, O. M. Zherebtsov, and G. Soff
Physical Review A 64 (2001)

Towards a Test of QED in Investigations of the Hyperfine Splitting in Heavy Ions.

V. M. Shabaev, A. N. Artemyev, V. A. Yerokhin, O. M. Zherebtsov, and G. Soff
Physical Review Letters 86, 3959-3962 (2001)

Vacuum-Polarization Screening Corrections to the Low-Lying Energy Levels of Heliumlike Ions.

T. Beier, A. N. Artemyev, G. Plunien, V. M. Shabaev, G. Soff, and V. A. Yerokhin
Hyperfine Interactions 132, 369-374 (2001)

Vacuum-polarization corrections to the hyperfine splitting in heavy ions and to the nuclear magnetic moments.

A. N. Artemyev, V. M. Shabaev, G. Plunien, G. Soff, and V. A. Yerokhin
Physical Review A 63 (2001)

High Harmonic Generation Beyond the Electric Dipole Approximation

M. W. Walser, C. H. Keitel, A. Scrinzi, and T. Brabec
Physical Review Letters 85, 5082-5085 (2000)

Analysis of electron acceleration in a vacuum beat wave

Y. I. Salamin and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 33, 5057-5076 (2000)

Ground State Laser Cooling Using Electromagnetically Induced Transparency

G. Morigi, J. Eschner, and C. H. Keitel
Physical Review Letters 85, 4458-4461 (2000)

Exact analysis of ultrahigh laser-induced acceleration of electrons by cyclotron autoresonance

Y. I. Salamin, F. H. M. Faisal, and C. H. Keitel
Physical Review. A 62, 053809 (2000)

Subcycle high electron acceleration by crossed laser beams

Y. I. Salamin and C. H. Keitel
Applied Physics Letters 77, 1082-1084 (2000)

Resonance fluorescence in intense laser fields

D. E. Browne and C. H. Keitel
Journal of Modern Optics 47, 1307-1337 (2000)

Coherent x-ray generation with laser driven ions

M. Casu, C. Szymanowski, S. Hu, and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 33, L411-L417 (2000)

Amplification without inversion in tailored vacua

M. Erhard and C. H. Keitel
Optics Communications 179, 517-523 (2000)

Spin-induced force in intense laser-electron interaction

M. W. Walser and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 33, L221-L225 (2000)

Magnetically induced ionization and rescatterings in intense laser fields

D. J. Urbach and C. H. Keitel
Physical Review. A 61, 043409 (2000)

Calculation of the hyperfine structure of heavy H- and Li-like ions.

V. M. Shabaev, A. N. Artemyev, O. M. Zherebtsov, V. A. Yerokhin, G. Plunien, and G. Soff
Hyperfine Interactions 127, 279-286 (2000)

Two-photon exchange corrections to the 2p(1/2)-2s transition energy in Li-like high-Z ions.

V. A. Yerokhin, A. N. Artemyev, V. M. Shabaev, M. M. Sysak, O. M. Zherebtsov, and G. Soff
Physical Review Letters 85, 4699-4702 (2000)

Vacuum-polarization screening corrections to the energy levels of heliumlike ions.

A. N. Artemyev, T. Beier, G. Plunien, V. M. Shabaev, G. Soff, and V. A. Yerokhin
Physical Review A 62 (2000)

Lamb-shift calculations for high-Z lithium-like ions.

V. A. Yerokhin, A. N. Artemyev, T. Beier, G. Plunien, V. M. Shabaev, and G. Soff
Hyperfine Interactions 127, 311-314 (2000)

Spin Signatures in Intense Laser-Ion Interaction

S. Hu and C. H. Keitel
Physical Review Letters 83, 4709-4712 (1999)

Influence of spin-laser interaction on relativistic harmonic generation

M. W. Walser, C. Szymanowski, and C. H. Keitel
Europhysics Letter 48, 533-539 (1999)

Narrowing Spontaneous Emission without Intensity Reduction

C. H. Keitel
Physical Review Letters 83, 1307-1310 (1999)

Hollowing out single ions with high-power lasers

S. Hu and C. H. Keitel
Europhysics Letters 47, 318-323 (1999)

Calculation of the Screened Self-Energy and Vacuum-Polarization Corrections in High-Z Lithium-Like Ions.

V. A. Yerokhin, A. N. Artemyev, T. Beier, V. M. Shabaev, and G. Soff
Physica Scripta 80, 495-497 (1999)

Total Fluorescence Inhibition via Incoherent Dressed Population Transfer

C. H. Keitel, S. Y. Zhu, and P. L. Knight
Laser Physics 9, 826-830 (1999)

Influence of Zitterbewegung on Relativistic Harmonic Generation

C. Szymanowski, C. H. Keitel, and A. Maquet
Laser Physics 9, 133-137 (1999)

Vacuum-polarization screening correlations to the energy levels of lithiumlike ions.

A. N. Artemyev, T. Beier, G. Plunien, V. M. Shabaev, G. Soff, and V. A. Yerokhin
Physical Review A 60, 45-49 (1999)

Two-electron self-energy corrections to the 2p½-2s transition energy in Li-like ions.

V. A. Yerokhin, A. N. Artemyev, T. Beier, G. Plunien, V. M. Shabaev, and G. Soff
Physical Review A 60, 3522-3540 (1999)

Relativistic Nuclear Recoil Corrections to the Energy Levels of Hydrogenlike Ions.

V. M. Shabaev, A. N. Artemyev, T. Beier, G. Plunien, V. A. Yerokhin, and G. Soff
Physica Scripta 80, 493-494 (1999)

Fluorescence control through multiple interference mechanisms

E. Paspalakis, C. H. Keitel, and P. L. Knight
Physical Review. A 58, 4868-4877 (1998)

Radiative reaction in ultra-intense laser - atom interaction

C. H. Keitel, C. Szymanowski, P. L. Knight, and A. Maquet
Journal of Physics B: Atomic, Molecular and Optical Physics 31, L75-L83 (1998)

Exponential gain in resonant four-wave mixing via dressed inversions

C. H. Keitel
Physical Review. A 57, 1412-1416 (1998)

Recoil correction to the ground-state energy of hydrogenlike atoms.

V. M. Shabaev, A. N. Artemyev, T. Beier, G. Plunien, V. A. Yerokhin, and G. Soff
Physical Review A 57, 4235-4239 (1998)

Mott scattering in strong laser fields

C. Szymanowski, V. Véniard, R. Taieb, A. Maquet, and C. H. Keitel
Physical Review. A 56, 3846-3859 (1997)

Intense laser - atom dynamics with the two-dimensional Dirac equation

C. H. Keitel, U. W. Rathe, M. Protopapas, and P. L. Knight
Journal of Physics B: Atomic, Molecular and Optical Physics 30, L531-L539 (1997)

Quantum interference effects in spontaneous atomic emission: Dependence of the resonance fluorescence spectrum on the phase of the driving field

M. A. Martinez, P. R. Herczfeld, C. Samuels, L. M. Narducci, and C. H. Keitel
Physical Review. A 55, 4483-4491 (1997)

Strong intracavity and output laser noise reduction via initial atomic coherence

C. Saavedra, J. C. Retamal, and C. H. Keitel
Physical Review. A 55, 3802-3812 (1997)

Atomic physics with super-high intensity lasers

M. Protopapas, C. H. Keitel, and P. L. Knight
Reports on Progress in Physics 60, 389-486 (1997)

The dressed state picture in quantum coherence and interference

C. H. Keitel, H. M. Doss, M. Fleischhauer, L. M. Narducci, M. O. Scully, and S. Y. Zhu
Zeitschrift für Naturforschung Section A : Journal of Physical Sciences 52, 114-116 (1997)

Phase of harmonics from strongly driven two-level atoms

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet
Physical Review. A 55, 615-621 (1997)

Ultra-energetic electron ejection in relativistic atom - laser field interaction

C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 29, L873-L880 (1996)

Relativistic mass shift effects in adiabatic intense laser field stabilization of atoms

M. Protopapas, C. H. Keitel, and P. L. Knight
Journal of Physics B: Atomic, Molecular and Optical Physics 29, L591-L598 (1996)

Entropic measure of wave-packet spreading and ionization in laser-driven atoms

J. B. Watson, C. H. Keitel, P. L. Knight, and K. Burnett
Physical Review. A 54, 729-735 (1996)

Recollisions, bremsstrahlung, and attosecond pulses from intense laser fields

M. Protopapas, D. G. Lappas, C. H. Keitel, and P. L. Knight
Physical Review. A 53, R2933-R2936 (1996)

High harmonic generation in a static magnetic field

J. Connerade and C. H. Keitel
Physical Review. A 53, 2748-2751 (1996)

Role of electromagnetically induced transparency in resonant four-wave-mixing schemes

J. C. Petch, C. H. Keitel, P. L. Knight, and J. P. Marangos
Physical Review. A 53, 543-561 (1996)

Vacuum modified resonance fluorescence in intense laser fields

C. H. Keitel
Journal of Modern Optics 43, 1555-1562 (1996)

Quantum signatures in the stabilization dynamics

J. B. Watson, C. H. Keitel, P. L. Knight, and K. Burnett
Physical Review. A 52, 4023-4028 (1995)

Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet
Physical Review. A 52, 525-540 (1995)

Resonance fluorescence in a tailored vacuum

C. H. Keitel, P. L. Knight, L. M. Narducci, and M. O. Scully
Optics Communications 118, 143-153 (1995)

Sampling entropies and operational phase-space measurement. II. Detection of quantum coherences

V. Buzek, C. H. Keitel, and P. L. Knight
Physical Review. A 51, 2594-2601 (1995)

Sampling entropies and operational phase-space measurement. I. General formalism

V. Buzek, C. H. Keitel, and P. L. Knight
Physical Review. A 51, 2575-2593 (1995)

Monte Carlo classical simulations of ionization and harmonic generation in the relativistic domain

C. H. Keitel and P. L. Knight
Physical Review. A 51, 1420-1430 (1995)

Origin of the sub-natural line-narrowing effect in resonance fluorescence

C. H. Keitel, L. M. Narducci, and M. O. Scully
Applied Physics B: Lasers and Optics 60, 153-154 (1995)

Switching Between Rayleigh-like and Lorentzian Lineshapes of the Dispersion in Driven Two-level Atoms

C. Szymanowski, C. H. Keitel, B. J. Dalton, and P. L. Knight
Journal of Modern Optics 42, 985-1003 (1995)

Enhancing the index of refraction under convenient conditions

C. Szymanowski and C. H. Keitel
Journal of Physics B: Atomic, Molecular and Optical Physics 27, 5795-5812 (1994)

Relativistic High-Harmonic Generation

C. H. Keitel, P. L. King, and K. Burnett
Europhysics Letters 24, 539-544 (1993)

Two mechanisms for inversionless amplification in four-level atoms with Raman pumping

C. H. Keitel, O. A. Kocharovskaya, L. M. Narducci, M. O. Scully, S. Y. Zhu, and H. M. Doss
Physical Review. A 48, 3196-3202 (1993)

Lasing without inversion: More gain for less pain

C. H. Keitel and P. L. Knight
Opto & Laser Europe 7, 39-43 (1993)

Free-electron lasing without inversion by interference of momentum states

G. Kurizki, M. O. Scully, and C. H. Keitel
Physical Review Letters 70, 1433-1436 (1993)

Lasing without inversion: interference of radiatively broadened resonances in dressed atomic systems

M. Fleischhauer, C. H. Keitel, L. M. Narducci, M. O. Scully, S. Y. Zhu, and M. S. Zubairy
Optics Communications 94, 599-608 (1992)

Quantum theory of laser emission from driven three-level atoms

A. S. Manka, C. H. Keitel, S. Y. Zhu, M. Fleischhauer, L. M. Narducci, and M. O. Scully
Optics Communications 94, 174-182 (1992)

Resonantly enhanced refractive index without absorption via atomic coherence

M. Fleischhauer, C. H. Keitel, M. O. Scully, C. Su, B. T. Ulrich, and S. Y. Zhu
Physical Review. A 46, 1468-1487 (1992)

On the information entropy of squeezed states and the entropic uncertainty relation

K. Wódkiewicz and C. H. Keitel
Physics Letters. A 167, 151-160 (1992)

Triggered superradiance

C. H. Keitel, M. O. Scully, and G. Süßmann
Physical Review. A 45, 3242-3249 (1992)

Lasing without inversion in a simple model of a three-level laser with microwave coupling

H. Fearn, C. H. Keitel, M. O. Scully, and S. Y. Zhu
Optics Communications 87, 323-330 (1992)

Lasing without inversion and enhancement of the index of refraction via interference of incoherent pump processes

M. Fleischhauer, C. H. Keitel, M. O. Scully, and C. Su
Optics Communications 87, 109-114 (1992)

Physical origin of the gain in a four-level model of a Raman driven laser without inversion

L. M. Narducci, M. O. Scully, C. H. Keitel, S. Y. Zhu, and H. M. Doss
Optics Communications 86, 324-332 (1991)

A simple model of a laser without inversion

L. M. Narducci, H. M. Doss, P. Ru, M. O. Scully, S. Y. Zhu, and C. H. Keitel
Optics Communications 81, 379-384 (1991)