Max Planck-RIKEN-PTB Center for
Time, Constants and Fundamental SymmetriesPublications
2021
Algorithmic Ground-State Cooling of Weakly Coupled Oscillators Using Quantum Logic
S. A. King, L. J. Spieß, P. Micke, A. Wilzewski, T. Leopold, J. R. C. López-Urrutia, and P. O. Schmidt
Phys. Rev. X 11, 041049 (2021) |
arXiv:2102.12427
Blackbody radiation shift in strontium lattice clocks revisited
Ch. Lisdat, S. Dörscher, I. Nosske, and U. Sterr
Phys. Rev. Res. 3, L042036 (2021)
Lifetime of the 2F7/2 Level in Yb+ for Spontaneous Emission of Electric Octupole Radiation
R. Lange, A. A. Peshkov, N. Huntemann, Chr. Tamm, A. Surzhykov, and E. Peik
Phys. Rev. Lett. 127, 213001 (2021)
A digital feedback system for advanced ion manipulation techniques in Penning traps
J. Herkenhoff, M. Door, P. Filianin, W. Huang, K. Kromer, D. Lange, R. X. Schüssler, C. Schweiger, S. Eliseev, and K. Blaum
Rev. Sci. Instrum. 92, 103201 (2021)
Sympathetic cooling of a trapped proton mediated by an LC circuit
M. Bohman, V. Grunhofer, C. Smorra, M. Wiesinger, C. Will, M. J. Borchert, J. A. Devlin, S. Erlewein, M. Fleck, S. Gavranovic,
J. Harrington, B. Latacz, A. Mooser, D. Popper, E. Wursten, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz,
S. Ulmer & BASE Collaboration
Nature 596, 514–518 (2021)
Direct Q-Value Determination of the β− Decay of 187Re
P. Filianin, C. Lyu, M. Door, K. Blaum, W. J. Huang, M. Haverkort, P. Indelicato, C. H. Keitel, K. Kromer, D. Lange, Y. N. Novikov,
A. Rischka, R. X. Schüssler, Ch. Schweiger, S. Sturm, S. Ulmer, Z. Harman, and S. Eliseev
Phys. Rev. Lett. 127, 072502 (2021)
An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions
J. Stark, C. Warnecke, S. Bogen, S. Chen, E. A. Dijck, S. Kühn, M. K. Rosner, A. Graf, J. Nauta, J.-H. Oelmann, L. Schmöger,
M. Schwarz, D. Liebert, L. J. Spieß, S. A. King, T. Leopold, P. Micke, P. O. Schmidt, T. Pfeifer, J. R. Crespo López-Urrutia
Rev. Sci. Instrum. 92, 083203 (2021)
Tank-Circuit Assisted Coupling Method for Sympathetic Laser Cooling
B. Tu, F. Hahne, I. Arapoglou, A. Egl, F. Heiße, M. Höcker, C. König, J. Morgner, T. Sailer, A. Weigel,
R. Wolf, and S. Sturm
Adv. Quantum Technol. 4, 2100029 (2021)
Sensitivity to new physics of isotope-shift studies using the coronal lines of highly charged calcium ions
N.-H. Rehbehn, M. K. Rosner, H. Bekker, J. C. Berengut, P. O. Schmidt, S. A. King, P. Micke, M. F. Gu, R. Müller,
A. Surzhykov, and J. R. Crespo López-Urrutia
Phys. Rev. A 103, L040801 (2021)
XUV frequency comb production with an astigmatism-compensated enhancement cavity
J. Nauta, J.-H. Oelmann, A. Borodin, A. Ackermann, P. Knauer, I. S. Muhammad, R. Pappenberger, T. Pfeifer,
and J. R. Crespo López-Urrutia
Optics Express 29, 2624 (2021)
Improved limits for violations of local position invariance from atomic clock comparisons
R. Lange, N. Huntemann, J. M. Rahm, C. Sanner, H. Shao, B. Lipphardt, Chr. Tamm, S. Weyers, E. Peik
Phys. Rev. Lett. 126, 011102 (2021)
Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned
Detection Circuit in a Cryogenic Penning Trap
J. A. Devlin, M. J. Borchert, S. Erlewein, M. Fleck, J. A. Harrington, B. Latacz, J. Warncke,
E. Wursten, M. A. Bohman, A. H. Mooser, C. Smorra, M. Wiesinger, C. Will, K. Blaum,
Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, and S. Ulmer
Phys. Rev. Lett. 126, 041301 (2021)
Perspectives on testing fundamental physics with highly charged ions in Penning traps
K. Blaum, S. Eliseev and S. Sturm
Quantum Sci. Technol. 6, 014002 (2021)