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Fax: +49 6221 516-852
Scientific Coordinator

Postal Address
Max Planck Institute for Nuclear Physics
P.O. Box 10 39 80
69029 Heidelberg
Visitor Address
Max Planck Institute for Nuclear Physics
Saupfercheckweg 1
Building: Gentner lab,
room 134
69117 Heidelberg

 

Max Planck-RIKEN-PTB Center for

Time, Constants and Fundamental Symmetries

Publications

2025

Towards trapping of hydrogen atoms for computable optical clock applications
O. Amit, D. Taray, V. Wirthl, V. Weis, M. W. Syed, A. Ozawa1, J. Weitenberg, S. G. Karshenboim, J. T. M. Walraven, L. Maisenbacher, R. Pohl, Z. Burkley, F. Schmid, T. W. Hänsch, D. C. Yost, and Th. Udem
Phys. Rev. A 112, 033101 (2025) externer Link

Finding the Ultranarrow 3P2 -> 3P0 Electric Quadrupole Transition in Ni12+ Ion for an Optical Clock
C. Cheung, S. G. Porsev, D. Filin, M. S. Safronova, M. Wehrheim, L. J. Spieß, S. Chen, A. Wilzewski, J. R. C. López-Urrutia, and P. O. Schmidt
Phys. Rev. Lett. 135, 093002 (2025) externer Link

Nuclear clock based on the Th v ion
V. V. Flambaum, V. A. Dzuba, and E. Peik
Phys. Rev. A 112, 023103 (2025) externer Link

Coherent spectroscopy with a single antiproton spin
B. M. Latacz, S. R. Erlewein, M. Fleck, J. I. Jäger, F. Abbass, B. P. Arndt, P. Geissler, T. Imamura, M. Leonhardt, P. Micke, A. Mooser, D. Schweitzer, F. Voelksen, E. Wursten, H. Yildiz, K. Blaum, J. A. Devlin, Y. Matsuda, C. Ospelkaus, W. Quint, A. Soter, J. Walz, Y. Yamazaki, C. Smorra & S. Ulmer
Nature 644, 64–68 (2025) externer Link

Excited-State Magnetic Properties of Carbon-like Ca14+
L. J. Spieß, S. Chen, A. Wilzewski, M. Wehrheim, J. Gilles, A. Surzhykov, E. Benkler, M. Filzinger, M. Steinel, N. Huntemann, C. Cheung, S. G. Porsev, A. I. Bondarev, M. S. Safronova, J. R. Crespo López-Urrutia, and P. O. Schmidt
Phys. Rev. Lett. 135, 043002 (2025) externer Link

Coordinated international comparisons between optical clocks connected via fiber and satellite links
T. Lindvall, M. Pizzocaro, R. M. Godun, M. Abgrall, D. Akamatsu, A. Amy-Klein, E. Benkler, N. M. Bhatt, D. Calonico, E. Cantin, E. Cantoni, G. Cerretto, C. Chardonnet, M. A. C. Marin, C. Clivati, S. Condio, E. A. Curtis, H. Denker, S. Donadello, S. Dörscher, C. Feng, M. Filzinger, T. Fordell, I. Goti, K. Hanhijärvi, H. N. Hausser, I. R. Hill, K. Hosaka, N. Huntemann, M. Y. H. Johnson, J. Keller, J. Klose, T. Kobayashi, S. Koke, A. Kuhl, R. Le Targat, T. Legero, F. Levi, B. Lipphardt, C. Lisdat, H. Liu, J. Lodewyck, O. Lopez, M. Mazouth-Laurol, T. E. Mehlstäubler, A. Mura, A. Nishiyama, T. Nordmann, A. O. Parsons, G. Petit, B. Pointard, P. E. Pottie, M. Risaro, B. I. Robertson, M. Schioppo, H. Shang, K. Stahl, M. Steinel, U. Sterr, A. Tofful, M. Tønnes, D. Tran, J. Tunesi, A. E. Wallin, H. S. Margolis
Optica 12, 843-852 (2025) externer Link

Nonlinear Calcium King Plot Constrains New Bosons and Nuclear Properties
A. Wilzewski, L. J. Spieß, M. Wehrheim, S. Chen, S. A. King, P. Micke, M. Filzinger, M. R. Steinel, N. Huntemann, E. Benkler, and P. O. Schmidt
L. I. Huber, J. Flannery, R. Matt, M. Stadler, R. Oswald, F. Schmid, D. Kienzler, J. Home, and D. P. L. Aude Craik
M. Door, S. Eliseev, P. Filianin, J. Herkenhoff, K. Kromer, and K. Blaum
V. A. Yerokhin, I. A. Valuev, and N. S. Oreshkina
C. Lyu, S. Banerjee, C. H. Keitel, and Z. Harman
J. C. Berengut
A. Viatkina, J. Gilles, and A. Surzhykov
M. K. Rosner and J. R. Crespo López-Urrutia
J. Richter, A. Mariotti, and E. Fuchs

Phys. Rev. Lett. 134, 233002 (2025) externer Link

Testing interelectronic interaction in lithium-like tin
J. Morgner, V. A. Yerokhin, C. M. König, F. Heiss, B. Tu, T. Sailer, B. Sikora, Z. Harman, J. R. Crespo López-Urrutia, C. H. Keitel, S. Sturm, and K. Blaum
Science 388 (6750), 945-949 (2025) externer Link

Laser spectroscopy on the hyperfine structure and isotope shift of sympathetically cooled 229Th3+ ions
G. Zitzer, J. Tiedau, Ch. E. Düllmann, M. V. Okhapkin, and E. Peik
Phys. Rev. A 111, L050802 (2025) externer Link

Laser-induced quenching of the Th-229 nuclear clock isomer in calcium fluoride
F. Schaden, T. Riebner, I. Morawetz, L. Toscani De Col, G. A. Kazakov, K. Beeks, T. Sikorsky, and T. Schumm
K. Zhang, V. Lal, G. Zitzer, J. Tiedau, M. V. Okhapkin, and E. Peik

Phys. Rev. Research 7, L022036 (2025) externer Link

Searching for Dark Matter with the 229Th Nuclear Lineshape from Laser Spectroscopy
E. Fuchs, F. Kirk, E. Madge, C. Paranjape, E. Peik, G. Perez, W. Ratzinger, and J. Tiedau
Phys. Rev. X 15, 021055 (2025) externer Link

Proton transport from the antimatter factory of CERN
M. Leonhardt, D. Schweitzer, F. Abbass, K. K. Anjum, B. Arndt, S. Erlewein, S. Endoh, P. Geissler, T. Imamura, J. I. Jäger, B. M. Latacz, P. Micke, F. Voelksen, H. Yildiz, K. Blaum, J. A. Devlin, Y. Matsuda, C. Ospelkaus, W. Quint, A. Soter, J. Walz, Y. Yamazaki, S. Ulmer & C. Smorra
Nature 641, 871–875 (2025) externer Link

Nondestructive Control of the Rovibrational Ground State of a Single Molecular Hydrogen Ion in a Penning Trap
C. M. König, F. Heiße, J. Morgner, T. Sailer, B. Tu, D. Bakalov, K. Blaum, S. Schiller, and S. Sturm
Phys. Rev. Lett. 134, 163001 (2025) externer Link

Indium tin oxide combined with anti-reflective coatings with high transmittance for wavelengths <400 nm
E. Jansson, V. Scheuer, E. Jordan, K. Kostourou, and T. E. Mehlstäubler
Appl. Opt. 64, 1715-1722 (2025) externer Link

g Factor of Boronlike Tin
J. Morgner, B. Tu, M. Moretti, C. M. König, F. Heiße, T. Sailer, V. A. Yerokhin, B. Sikora, N. S. Oreshkina, Z. Harman, C. H. Keitel, S. Sturm, and K. Blaum
Phys. Rev. Lett. 134, 123201 (2025) externer Link

Probing New Bosons and Nuclear Structure with Ytterbium Isotope Shifts
M. Door, C.-H. Yeh, M. Heinz, F. Kirk, C. Lyu, T. Miyagi, J. C. Berengut, J. Bieroń, K. Blaum, L. S. Dreissen, S. Eliseev, P. Filianin, M. Filzinger, E. Fuchs, H. A. Fürst, G. Gaigalas, Z. Harman, J. Herkenhoff, N. Huntemann, C. H. Keitel, K. Kromer, D. Lange, A. Rischka, C. Schweiger, A. Schwenk, N. Shimizu, and T. E. Mehlstäubler
Phys. Rev. Lett. 134, 063002 (2025) externer Link

115In+ - 172Yb+ Coulomb Crystal Clock with 2.5 × 10−18 Systematic Uncertainty
H. N. Hausser, J. Keller, T. Nordmann, N. M. Bhatt, J. Kiethe, H. Liu, I. M. Richter, M. von Boehn, J. Rahm, S. Weyers, E. Benkler, B. Lipphardt, S. Dörscher, K. Stahl, J. Klose, C. Lisdat, M. Filzinger, N. Huntemann, E. Peik, and T. E. Mehlstäubler
Phys. Rev. Lett. 134, 023201 (2025) externer Link

Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise
B. Kraus, S. Herbers, C. Nauk, U. Sterr, C. Lisdat, and P. O. Schmidt
Opt. Lett. 50, 658–661 (2025) externer Link