Publikationen von DQ-mat

Gebbe, M.; Siemß, J.-N.; Gersemann, M.; Müntinga, H.; Herrmann, S.; Lämmerzahl, C.; Ahlers, H.; Gaaloul, N.; Schubert, C.; Hammerer, K.; Abend S.; Rasel E.M. (2021): Twin-lattice atom interferometry,  Nature Communications 12, 2544
DOI: 10.1038/s41467-021-22823-8
arXiv: 1907.08416

Roberts, B. M. and Delva, P. and Al-Masoudi, A. and Amy-Klein, A. and Bærentsen, C. and Baynham, C. F. A. and Benkler, E. and Bilicki, S. and Bize, S. and Bowden, W. and Calvert, J. and Cambier, V. and Cantin, E. and Curtis, E. A. and Dörscher, S. and Favier, M. and Frank, F. and Gill, P. and Godun, R. M. and Grosche, G. and Guo, C. and Hees, A. and Hill, I. R. and Hobson, R. and Huntemann, N. and Kronjäger, J. and Koke, S. and Kuhl, A. and Lange, R. and Legero, T. and Lipphardt, B. and Lisdat, C. and Lodewyck, J. and Lopez, O. and Margolis, H. S. and Álvarez-Martínez, H. and Meynadier, F. and Ozimek, F. and Peik, E. and Pottie, P. -E. and Quintin, N. and Sanner, C. and De Sarlo, L. and Schioppo, M. and Schwarz, R. and Silva, A. and Sterr, U. and Tamm, Chr. and Targat, R. Le and Tuckey, P. and Vallet, G. and Waterholter, T. and Xu, D. and Wolf, P. (2020): Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks,  New J. Phys. 22, 93010
DOI: 10.1088/1367-2630/abaace
arXiv: 1907.02661

E Wodey, R J Rengelink, C Meiners, E M Rasel and D Schlippert (2021): A robust, high-flux source of laser-cooled ytterbium atoms,  J. Phys. B: At. Mol. Opt. Phys. 54 035301
DOI: 10.1088/1361-6455/abd2d1

Feldmann, P.; Klempt, C.: Smerzi, A; Santos, L.; Gessner, M. (2021): Interferometric Order Parameter for Excited-State Quantum Phase Transitions in Bose-Einstein Condensates,  Phys. Rev. Lett. 126, 230602
DOI: 10.1103/PhysRevLett.126.230602

Hensel, T; Loriani, S; Schubert, C; Fitzek, F; Abend, S; Ahlers, H; Siemß, JN; Hammerer, K; Rasel, EM; Gaaloul, N (2021): Inertial sensing with quantum gases: a comparative performance study of condensed versus thermal sources for atom interferometry,  Eur. Phys. J. D 75:108 (2021)
DOI: 10.1140/epjd/s10053-021-00069-9

J. Kiethe, L. Timm, H. Landa, D. Kalincev, G. Morigi, T. E. Mehlstäubler (2021): Finite-temperature spectrum at the symmetry-breaking linear to zigzag transition,  Phys. Rev. B, 103, 104106
DOI: 10.1103/PhysRevB.103.104106

Li, W.-H.; Dhar, A.; Deng, X.; Santos L. (2021): Cluster dynamics in two-dimensional lattice gases with intersite interactions,  Phys. Rev. A 103, 043331
DOI: 10.1103/PhysRevA.103.043331

Rehbehn, N.-H.; Rosner, M. K.; Bekker, H.; Berengut, J.C.; Schmidt, P.O.; King, S.A.; Micke, P.; Gu, M.F.; Müller, R.; Surzhykov, A.; Crespo López-Urrutia, J.R. (2021): Sensitivity to new physics of isotope-shift studies using the coronal lines of highly charged calcium ions,  Phys. Rev. A 103, L040801
DOI: 10.1103/PhysRevA.103.L040801

Schwonnek, R.; Goh, K.T.; Primaatmaja, I.W.; Tan, E.Y.-Z.; Wolf, R.; Scarani, V.; Lim, C.C.-W. (2021): Device-independent quantum key distribution with random key basis,  Nat Commun 12, 2880
DOI: 10.1038/s41467-021-23147-3

Weimer, H,; Kshetrimayum, A.; Orús, R. (2021): Simulation methods for open quantum many-body systems,  Rev. Mod. Phys. 93, 015008
DOI: 10.1103/RevModPhys.93.015008

Canuel, B. et al. (2020): ELGAR—a European Laboratory for Gravitation and Atom-interferometric Research,  Class. Quantum Grav. 37, 225017 (2020).
DOI: 10.1088/1361-6382/aba80e

Chu, AJ; Will, J; Arlt, J; Klempt, C; Rey, AM (2020): Simulation of XXZ Spin Models Using Sideband Transitions in Trapped Bosonic Gases,  Phys. Rev. Lett. 125, 240504 (2020)
DOI: 10.1103/PhysRevLett.125.240504

Corgier, R; Loriani, S; Ahlers, H; Posso-Trujillo, K; Schubert, C; Rasel, EM; Charron, E; Gaaloul, N (2020): Interacting quantum mixtures for precision atom interferometry,  New J. Phys. 22 123008 (2020)
DOI: 10.1088/1367-2630/abcbc8

Diana Nitzschke Marius Schulte Malte Niemann Juan M. Cornejo Stefan Ulmer Ralf Lehnert Christian Ospelkaus Klemens Hammerer (2020): Elementary Laser-Less Quantum Logic Operations with (Anti-)Protons in Penning Traps,  Adv. Quantum Technol. 2020, 1900133
DOI: 10.1002/qute.201900133

Dorscher, S; Al-Masoudi, A; Bober, M; Schwarz, R; Hobson, R; Sterr, U; Lisdat, C (2020): Dynamical decoupling of laser phase noise in compound atomic clocks,  Commun Phys 3, 1–9 (2020).
DOI: 10.1038/s42005-020-00452-9

E. Wodey, D. Tell, E. M. Rasel, D. Schlippert, R. Baur, U. Kissling, B. Kölliker, M. Lorenz, M. Marrer, U. Schläpfer, M. Widmer, C. Ufrecht, S. Stuiber, and P. Fierlinger (2020): A scalable high-performance magnetic shield for Very Long Baseline Atom Interferometry,  Review of Scientific Instruments 91, 035117
DOI: 10.1063/1.5141340

Fitzek, F; Siemß, JN; Seckmeyer, S; Ahlers, H; Rasel, EM; Hammerer, K; Gaaloul, N (2020): Universal atom interferometer simulation of elastic scattering processes,  Scientific Reports 10: 22120 (2020)
DOI: 10.1038/s41598-020-78859-1

Gersemann, M; Gebbe, M; Abend, S; Schubert, C; Rasel, EM (2020): Differential interferometry using a Bose-Einstein condensate,  Eur. Phys. J. D 74: 203 (2020)
DOI: 10.1140/epjd/e2020-10417-8

Gut, C; Winkler, K; Hoelscher-Obermaier, J; Hofer, SG; Nia, RM; Walk, N; Steffens, A; Eisert, J ; Wieczorek, W; Slater, JA; Aspelmeyer, M; Hammerer, K (2020): Stationary optomechanical entanglement between a mechanical oscillator and its measurement apparatus,  Phys. Rev. Research 2, 033244
DOI: 10.1103/PhysRevResearch.2.033244

H. A. Fürst, C.-H. Yeh, D. Kalincev, A. Kulosa, L. S. Dreissen, R. Lange, E. Benkler, N. Huntemann, E. Peik, T. E. Mehlstäubler (2020): Coherent Excitation of the Highly Forbidden Electric Octupole Transition in 172Yb+,  Phys. Rev. Lett., 125, 163001
DOI: 10.1103/PhysRevLett.125.163001

Hahn, A; Wolf, R (2020): Generalized string-net model for unitary fusion categories without tetrahedral symmetry,  Phys. Rev. B 102, 115154
DOI: 10.1103/PhysRevB.102.115154

Henning Albers, Alexander Herbst, Logan L. Richardson, Hendrik Heine, Dipankar Nath, Jonas Hartwig, Christian Schubert, Christian Vogt, Marian Woltmann, Claus Lämmerzahl, Sven Herrmann, Wolfgang Ertmer, Ernst M. Rasel & Dennis Schlippert (2020): Quantum test of the Universality of Free Fall using rubidium and potassium,  The European Physical Journal D 74, 145 (2020)
DOI: 10.1140/epjd/e2020-10132-6

Jacob C. Bridgeman, Alexander Hahn, Tobias J. Osborne, and Ramona Wolf (2020): Gauging defects in quantum spin systems: A case study,  Phys. Rev. B 101, 134111
DOI: 10.1103/PhysRevB.101.134111
arXiv: 1910.10619

Jan-Niclas Siemß, Florian Fitzek, Sven Abend, Ernst M. Rasel, Naceur Gaaloul, and Klemens Hammerer (2020): Analytic theory for Bragg atom interferometry based on the adiabatic theorem,  Physical Review A 102
DOI: 10.1103/PhysRevA.102.033709

Kerstin Beer, Dmytro Bondarenko, Terry Farrelly, Tobias J. Osborne, Robert Salzmann, Daniel Scheiermann & Ramona Wolf (2020): Training deep quantum neural networks,  Nature Communications 11, 808 (2020)
DOI: 10.1038/s41467-020-14454-2

Krzysztof Chabuda, Jacek Dziarmaga, Tobias J. Osborne & Rafał Demkowicz-Dobrzański (2020): Tensor-network approach for quantum metrology in many-body quantum systems,  Nature Communications 11, 250
DOI: 10.1038/s41467-019-13735-9

L. Timm, H. Weimer, L. Santos, T. E. Mehlstäubler (2020): Energy localization in an atomic chain with a topological soliton,  Phys. Rev. Research, 2, 033198
DOI: 10.1103/PhysRevResearch.2.033198

Loriani, S; Schubert, C; Schlippert, D; Ertmer, W; Dos Santos, FP; Rasel, EM; Gaaloul, N; Wolf, P (2020): Resolution of the colocation problem in satellite quantum tests of the universality of free fall,  Phys. Rev. D 102, 124043 (2020)
DOI: 10.1103/PhysRevD.102.124043

Marius Schulte, Victor J. Martínez-Lahuerta, Maja S. Scharnagl, and Klemens Hammerer (2020): Ramsey interferometry with generalized one-axis twisting echoes,  Quantum 4, 268 (2020).
DOI: 10.22331/q-2020-05-15-268

Nordmann, T; Didier, A; Dolezal, M; Balling, P; Burgermeister, T; Mehlstaubler, TE (2020): Sub-kelvin temperature management in ion traps for optical clocks,  Rev. Sci. Instrum. 91, 111301
DOI: 10.1063/5.0024693

P. Micke, T. Leopold, S. A. King, E. Benkler, L. J. Spieß, L. Schmöger, M. Schwarz, J. R. C. López-Urrutia, P. O. Schmidt (2020): Coherent laser spectroscopy of highly charged ions using quantum logic,  Nature 578, 60–65
DOI: 10.1038/s41586-020-1959-8

Pistorius, T; Kazemi, J; Weimer, H (2020): Quantum Many-Body Dynamics of Driven-Dissipative Rydberg Polaritons,  Phys. Rev. Lett. 125, 263604 (2020)
DOI: 10.1103/PhysRevLett.125.263604

Richardson, LL; Rajagopalan, A; Albers, H; Meiners, C; Nath, D; Schubert, C; Tell, D; Wodey, E; Abend, S; Gersemann, M; Ertmer, W; Rasel, EM; Schlippert, D; Mehmet, M; Kumanchik, L; Colmenero, L; Spannagel, R; Braxmaier, C; Guzman, F (2020): Optomechanical resonator-enhanced atom interferometry,  Communications Physics 3: 208
DOI: 10.1038/s42005-020-00473-4

S. A.-L. Schulz, A. A. Peshkov, R. A. Müller, R. Lange, N. Huntemann, Chr. Tamm, E. Peik, and A. Surzhykov (2020): Generalized excitation of atomic multipole transitions by twisted light modes,  Phys. Rev. A 102, 012812
DOI: 10.1103/PhysRevA.102.012812

Sabrina Hartmann, Jens Jenewein, Enno Giese, Sven Abend, Albert Roura, Ernst M. Rasel, and Wolfgang P. Schleich (2020): Regimes of atomic diffraction: Raman versus Bragg diffraction in retroreflective geometries,  Phys. Rev. A 101, 053610
DOI: 10.1103/PhysRevA.101.053610

Schilling, M; Wodey, E; Timmen, L; Tell, D; Zipfel, KH; Schlippert, D; Schubert, C; Rasel, EM; Muller, J (2020): Gravity field modelling for the Hannover 10 m atom interferometer,  J Geod 94, 122 (2020)
DOI: 10.1007/s00190-020-01451-y

Schwarz, R; Dorscher, S; Al-Masoudi, A; Benkler, E; Legero, T; Sterr, U; Weyers, S; Rahm, J; Lipphardt, B; Lisdat, C (2020): Long term measurement of the 87Sr clock frequency at the limit of primary Cs clocks,  Phys. Rev. Research 2, 033242 (2020)
DOI: 10.1103/PhysRevResearch.2.033242

Thomas M. Karg, Baptiste Gouraud, Chun Tat Ngai, Gian-Luca Schmid, Klemens Hammerer, Philipp Treutlein (2020): Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart,  Science 369, 6500, pp. 174-179
DOI: 10.1126/science.abb0328

Tobias J. Osborne & Deniz E. Stiegeman (2020): Dynamics for holographic codes,  Journal of High Energy Physics 2020, 154
DOI: 10.1007/JHEP04(2020)154

Ufrecht, C; Di Pumpo, F; Friedrich, A; Roura, A; Schubert, C; Schlippert, D; Rasel, EM; Schleich, WP; Giese, E (2020): Atom-interferometric test of the universality of gravitational redshift and free fall,  Phys. Rev. Research 2, 043240
DOI: 10.1103/PhysRevResearch.2.043240

Xiaolong Deng, Guido Masella, Guido Pupillo, and Luis Santos (2020): Universal Algebraic Growth of Entanglement Entropy in Many-Body Localized Systems with Power-Law Interactions,  Phys. Rev. Lett. 125, 010401
DOI: 10.1103/PhysRevLett.125.010401

Carollo, Federico and Gillman, Edward and Weimer, Hendrik and Lesanovsky, Igor (2019): Critical Behavior of the Quantum Contact Process in One Dimension,  Phys. Rev. Lett. 123, 100604
DOI: 10.1103/PhysRevLett.123.100604
ISSN: 0031-9007

G. Zarantonello, H. Hahn, J. Morgner, M. Schulte, A. Bautista-Salvador, R. F. Werner, K. Hammerer, and C. Ospelkaus (2019): Robust and Resource-Efficient Microwave Near-Field Entangling 9Be+ Gate,  Phys. Rev. Lett. 123, 260503 
DOI: 10.1103/PhysRevLett.123.260503

H. Bekker, A. Borschevsky, Z. Harman, C. H. Keitel, T. Pfeifer, P. O. Schmidt, J. R. C. López-Urrutia, J. C. Berengut (2019): Detection of the 5p – 4f orbital crossing and its optical clock transition in Pr9+,  Nat Commun 10, 5651
DOI: 10.1038/s41467-019-13406-9

Hartmann, T.; Schulze, T. A.; Voges, K. K.; Gersema, P.; Gempel, M. W.; Tiemann, E.; Zenesini, A.; Ospelkaus, S. (2019): Feshbach resonances in 23Na + 39K mixtures and refined molecular potentials for the NaK molecule,  Phys. Rev. A 99, 032711
DOI: 10.1103/PhysRevA.99.032711

E Wodey, R J Rengelink, C Meiners, E M Rasel and D Schlippert (2021): A robust, high-flux source of laser-cooled ytterbium atoms,  J. Phys. B: At. Mol. Opt. Phys. 54 035301
DOI: 10.1088/1361-6455/abd2d1

Gebbe, M.; Siemß, J.-N.; Gersemann, M.; Müntinga, H.; Herrmann, S.; Lämmerzahl, C.; Ahlers, H.; Gaaloul, N.; Schubert, C.; Hammerer, K.; Abend S.; Rasel E.M. (2021): Twin-lattice atom interferometry,  Nature Communications 12, 2544
DOI: 10.1038/s41467-021-22823-8
arXiv: 1907.08416

Henning Albers, Alexander Herbst, Logan L. Richardson, Hendrik Heine, Dipankar Nath, Jonas Hartwig, Christian Schubert, Christian Vogt, Marian Woltmann, Claus Lämmerzahl, Sven Herrmann, Wolfgang Ertmer, Ernst M. Rasel & Dennis Schlippert (2020): Quantum test of the Universality of Free Fall using rubidium and potassium,  The European Physical Journal D 74, 145 (2020)
DOI: 10.1140/epjd/e2020-10132-6

Loriani, S; Schubert, C; Schlippert, D; Ertmer, W; Dos Santos, FP; Rasel, EM; Gaaloul, N; Wolf, P (2020): Resolution of the colocation problem in satellite quantum tests of the universality of free fall,  Phys. Rev. D 102, 124043 (2020)
DOI: 10.1103/PhysRevD.102.124043

Roberts, B. M. and Delva, P. and Al-Masoudi, A. and Amy-Klein, A. and Bærentsen, C. and Baynham, C. F. A. and Benkler, E. and Bilicki, S. and Bize, S. and Bowden, W. and Calvert, J. and Cambier, V. and Cantin, E. and Curtis, E. A. and Dörscher, S. and Favier, M. and Frank, F. and Gill, P. and Godun, R. M. and Grosche, G. and Guo, C. and Hees, A. and Hill, I. R. and Hobson, R. and Huntemann, N. and Kronjäger, J. and Koke, S. and Kuhl, A. and Lange, R. and Legero, T. and Lipphardt, B. and Lisdat, C. and Lodewyck, J. and Lopez, O. and Margolis, H. S. and Álvarez-Martínez, H. and Meynadier, F. and Ozimek, F. and Peik, E. and Pottie, P. -E. and Quintin, N. and Sanner, C. and De Sarlo, L. and Schioppo, M. and Schwarz, R. and Silva, A. and Sterr, U. and Tamm, Chr. and Targat, R. Le and Tuckey, P. and Vallet, G. and Waterholter, T. and Xu, D. and Wolf, P. (2020): Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks,  New J. Phys. 22, 93010
DOI: 10.1088/1367-2630/abaace
arXiv: 1907.02661

Schilling, M; Wodey, E; Timmen, L; Tell, D; Zipfel, KH; Schlippert, D; Schubert, C; Rasel, EM; Muller, J (2020): Gravity field modelling for the Hannover 10 m atom interferometer,  J Geod 94, 122 (2020)
DOI: 10.1007/s00190-020-01451-y

Kai Bongs, Michael Holynski, Jamie Vovrosh, Philippe Bouyer, Gabriel Condon, Ernst Rasel, Christian Schubert, Wolfgang P. Schleich & Albert Roura (2019): Taking atom interferometric quantum sensors from the laboratory to real-world applications,  Nature Reviews Physics 1, 731–739(2019)
DOI: 10.1038/s42254-019-0117-4

Loriani, Sina and Friedrich, Alexander and Ufrecht, Christian and Di Pumpo, Fabio and Kleinert, Stephan and Abend, Sven and Gaaloul, Naceur and Meiners, Christian and Schubert, Christian and Tell, Dorothee and et al. (2019): Interference of clocks: A quantum twin paradox,  American Association for the Advancement of Science
DOI: 10.1126/sciadv.aax8966

N. Aharon, N. Spethmann, I. D. Leroux, P. O. Schmidt, A. Retzker (2019): Robust optical clock transitions in trapped ions using dynamical decoupling,  New J. Phys. 21, 083040
DOI: 10.1088/1367-2630/ab3871

S. Hannig, L. Pelzer, N. Scharnhorst, J. Kramer, M. Stepanova, Z. T. Xu, N. Spethmann, I. D. Leroux, T. E. Mehlstäubler, P. O. Schmidt (2019): Towards a transportable aluminium ion quantum logic optical clock,  Rev. Sci. Instrum. 90, 053204
DOI: 10.1063/1.5090583

S. Loriani, D. Schlippert, C. Schubert, S. Abend, H. Ahlers, W. Ertmer, J. Rudolph, J. M. Hogan, M. A. Kasevich, E. M. Rasel, N. Gaaloul (2019): Atomic source selection in space-borne gravitational wave detection,  New J. Phys. 21, 063030
DOI: 10.1088/1367-2630/ab22d0

Mehlstäubler T.E., Grosche G., Lisdat C., Schmidt P.O., Denker H. (2018): Atomic clocks for geodesy,  Reports on Progress in Physics Vol. 81, No. 6, 064401 Weitere Informationen
DOI: 10.1088/1361-6633/aab409
arXiv: 1803.01585

Beev N., Fenske J.-A., Hannig S., and Schmidt P. O. (2017): A low-drift, low-noise, multichannel dc voltage source for segmented-electrode Paul traps,  Review of Scientific Instruments 88, 054704 Weitere Informationen
DOI: 10.1063/1.4983925

Delva P., Lodewyck J., Bilicki S., Bookjans E., Vallet G., Le Targat R., Pottie P.-E., Guerlin C., Meynadier F., Le Poncin-Lafitte C., Lopez O., Amy-Klein A., Lee W.-K., Quintin N., Lisdat C., Al-Masoudi A., Dörscher S., Gerbing C., Grosche G., Kuhl A., Raupach S., Sterr U., Hill I. R., Hobson R., Bowden W., Kronjäger J., Marra G., Rolland A., Baynes F. N., Margolis H. S.; Gill P. (2017): Test of Special Relativity Using a Fiber Network of Optical Clocks,  Phys. Rev. Lett. American Physical Society, 118, 221102
DOI: 10.1103/PhysRevLett.118.221102

Leroux I. D., Scharnhorst N., Hannig S., Kramer J., Pelzer L., Stepanova M., Schmidt P. O. (2017): On-line estimation of local oscillator noise and optimisation of servo parameters in atomic clocks,  Metrologia, Volume 54, Number 3
DOI: 10.1088/1681-7575/aa66e9

Albert Roura, Christian Schubert, Dennis Schlippert, Ernst M. Rasel (2020): Measuring gravitational time dilation with delocalized quantum superpositions
arXiv: arXiv:2010.11156

Cedzich, C; Geib, T; Werner, AH; Werner, RF (2021): Chiral Floquet Systems and Quantum Walks at Half-Period,  Ann. Henri Poincaré 22, 375–413 (2021)
DOI: 10.1007/s00023-020-00982-6

D. Kalincev, L. S. Dreissen, A. Kulosa, C.-H. Yeh, H. A. Fürst, T. E. Mehlstäubler (2021): Motional heating of spatially extended ion crystals,  Quantum Sci. Technol., 6, 034003
DOI: 10.1088/2058-9565/abee99

Devlin, JA; Borchert, MJ; Erlewein, S; Fleck, M; Harrington, JA; Latacz, B; Warncke, J; Wursten, E; Bohman, MA; Mooser, AH; Smorra, C; Wiesinger, M; Will, C; Blaum, K; Matsuda, Y; Ospelkaus, C; Quint, W; Walz, J; Yamazaki, Y; Ulmer, S (2021): Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned Detection Circuit in a Cryogenic Penning Trap,  Phys. Rev. Lett. 126, 041301 (2021)
DOI: 10.1103/PhysRevLett.126.041301

Dorscher, S; Huntemann, N; Schwarz, R; Lange, R; Benkler, E; Lipphardt, B; Sterr, U; Peik, E; Lisdat, C (2021): Optical frequency ratio of a 171Yb+ single-ion clock and a 87Sr lattice clock,  Metrologia 58 015005
DOI: 10.1088/1681-7575/abc86f

Dubielzig, T; Halama, S; Hahn, H; Zarantonello, G; Niemann, M; Bautista-Salvador, A; Ospelkaus, C (2021): Ultra-low-vibration closed-cycle cryogenic surface-electrode ion trap apparatus,  Review of Scientific Instruments 92, 043201
DOI: 10.1063/5.0024423

E Wodey, R J Rengelink, C Meiners, E M Rasel and D Schlippert (2021): A robust, high-flux source of laser-cooled ytterbium atoms,  J. Phys. B: At. Mol. Opt. Phys. 54 035301
DOI: 10.1088/1361-6455/abd2d1

Feldmann, P.; Klempt, C.: Smerzi, A; Santos, L.; Gessner, M. (2021): Interferometric Order Parameter for Excited-State Quantum Phase Transitions in Bose-Einstein Condensates,  Phys. Rev. Lett. 126, 230602
DOI: 10.1103/PhysRevLett.126.230602

J. Kiethe, L. Timm, H. Landa, D. Kalincev, G. Morigi, T. E. Mehlstäubler (2021): Finite-temperature spectrum at the symmetry-breaking linear to zigzag transition,  Phys. Rev. B, 103, 104106
DOI: 10.1103/PhysRevB.103.104106

Lange, R; Huntemann, N; Rahm, JM; Sanner, C; Shao, H; Lipphardt, B; Tamm, C; Weyers, S; Peik, E (2021): Improved Limits for Violations of Local Position Invariance from Atomic Clock Comparisons,  Phys. Rev. Lett. 126, 011102
DOI: 10.1103/PhysRevLett.126.011102

Li, W.-H.; Dhar, A.; Deng, X.; Santos L. (2021): Cluster dynamics in two-dimensional lattice gases with intersite interactions,  Phys. Rev. A 103, 043331
DOI: 10.1103/PhysRevA.103.043331

Rehbehn, N.-H.; Rosner, M. K.; Bekker, H.; Berengut, J.C.; Schmidt, P.O.; King, S.A.; Micke, P.; Gu, M.F.; Müller, R.; Surzhykov, A.; Crespo López-Urrutia, J.R. (2021): Sensitivity to new physics of isotope-shift studies using the coronal lines of highly charged calcium ions,  Phys. Rev. A 103, L040801
DOI: 10.1103/PhysRevA.103.L040801

Schwonnek, R.; Goh, K.T.; Primaatmaja, I.W.; Tan, E.Y.-Z.; Wolf, R.; Scarani, V.; Lim, C.C.-W. (2021): Device-independent quantum key distribution with random key basis,  Nat Commun 12, 2880
DOI: 10.1038/s41467-021-23147-3

Weimer, H,; Kshetrimayum, A.; Orús, R. (2021): Simulation methods for open quantum many-body systems,  Rev. Mod. Phys. 93, 015008
DOI: 10.1103/RevModPhys.93.015008

Chinmayee Mishra, Luis Santos, and Rejish Nath (2020): Self-Bound Doubly Dipolar Bose-Einstein Condensates,  Phys. Rev. Lett. 124, 073402
DOI: 10.1103/PhysRevLett.124.073402

Chu, AJ; Will, J; Arlt, J; Klempt, C; Rey, AM (2020): Simulation of XXZ Spin Models Using Sideband Transitions in Trapped Bosonic Gases,  Phys. Rev. Lett. 125, 240504 (2020)
DOI: 10.1103/PhysRevLett.125.240504

Di Pumpo, F; Friedrich, A; Giese, E; Roura, A; Lemmel, H; Greenberger, DM; Rasel, EM; Schleich, WP (2020): Specular mirror interferometer,  Progress in Optics 65, 173-229
DOI: 10.1016/bs.po.2019.11.006

Dorscher, S; Al-Masoudi, A; Bober, M; Schwarz, R; Hobson, R; Sterr, U; Lisdat, C (2020): Dynamical decoupling of laser phase noise in compound atomic clocks,  Commun Phys 3, 1–9 (2020).
DOI: 10.1038/s42005-020-00452-9

E. Wodey, D. Tell, E. M. Rasel, D. Schlippert, R. Baur, U. Kissling, B. Kölliker, M. Lorenz, M. Marrer, U. Schläpfer, M. Widmer, C. Ufrecht, S. Stuiber, and P. Fierlinger (2020): A scalable high-performance magnetic shield for Very Long Baseline Atom Interferometry,  Review of Scientific Instruments 91, 035117
DOI: 10.1063/1.5141340

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Vahlbruch H., Wilken D., Mehmet M., and Willke B. (2018): Laser Power Stabilization beyond the Shot Noise Limit Using Squeezed Light,  Phys. Rev. Lett. 121, 173601
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Beev, N., Keller, J., Mehlstäubler, T. E. (2017): An avalanche transistor-based nanosecond pulse generator with 25Mhz repitition rate,  Rev. Sci. Instrum. 88, 126105
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Delva P., Lodewyck J., Bilicki S., Bookjans E., Vallet G., Le Targat R., Pottie P.-E., Guerlin C., Meynadier F., Le Poncin-Lafitte C., Lopez O., Amy-Klein A., Lee W.-K., Quintin N., Lisdat C., Al-Masoudi A., Dörscher S., Gerbing C., Grosche G., Kuhl A., Raupach S., Sterr U., Hill I. R., Hobson R., Bowden W., Kronjäger J., Marra G., Rolland A., Baynes F. N., Margolis H. S.; Gill P. (2017): Test of Special Relativity Using a Fiber Network of Optical Clocks,  Phys. Rev. Lett. American Physical Society, 118, 221102
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Deuretzbacher, F.; Becker, D.; Bjerlin, J.; Reimann, S. M.; Santos, L. (2017): Spin-chain model for strongly interacting one-dimensional Bose-Fermi mixtures,  Phys. Rev. A 95, 043630
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Kristensen M., Gajdacz M., Pedersen P., Klempt C., Sherson J.F., Arlt J.J., Hilliard A.J. (2017): Sub-atom shot noise Faraday imaging of ultracold atom clouds,  J. Phys. B: At. Mol. Opt. Phys. 50 034004
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Kshetrimayum, Augustine; Weimer, Hendrik; Orus, Roman (2017): A simple tensor network algorithm for two-dimensional steady states,  Nature Communicationsvolume 8, 1291
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Leroux I. D., Scharnhorst N., Hannig S., Kramer J., Pelzer L., Stepanova M., Schmidt P. O. (2017): On-line estimation of local oscillator noise and optimisation of servo parameters in atomic clocks,  Metrologia, Volume 54, Number 3
DOI: 10.1088/1681-7575/aa66e9

Pachomow, E.; Dahlke, V. P.; Tiemann, E.; Riehle, F.; Sterr, U. (2017): Ground-state properties of Ca-2 from narrow-line two-color photoassociation,  Phys. Rev. A 95, 043422
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Schwonnek, R.; Dammeier, L.; Werner, R. F. (2017): State-Independent Uncertainty Relations and Entanglement Detection in Noisy Systems,  Phys. Rev. Lett. 119, 170404
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Shi, C.; Gebert, F.; Gorges, C.; Kaufmann, S.; Noertershaeuser, W.; Sahoo, B. K.; Surzhykov, A.; Yerokhin, V. A.; Berengut, J. C.; Wolf, F.; Heip, J. C.; Schmidt, P. O. (2017): Unexpectedly large difference of the electron density at the nucleus in the 4p P-2(1/2,3/2) fine-structure doublet of Ca+,  Appl. Phys. B, 123:2
DOI: 10.1007/s00340-016-6572-z

Siemon, I.; Holevo, A. S.; Werner, R. F. (2017): Unbounded Generators of Dynamical Semigroups,  Open Systems & Information Dynamics 24, No. 4, 1740015
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Vitagliano G., Apellaniz I., Kleinmann M., Lücke B., Klempt C., Tòth G. (2017): Entanglement and extreme spin squeezing of unpolarized states,  New J. Phys. 19 , 013027 (2017).
DOI: 10.1088/1367-2630/19/1/013027

Weimer, H. (2017): Tailored jump operators for purely dissipative quantum magnetism,  J. Phys. B: At. Mol. Opt. Phys. 50, 024001
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Zoubi, H.; Hammerer, K. (2017): Quantum Nonlinear Optics in Optomechanical Nanoscale Waveguides,  Phys. Rev. Lett. 119, 123602
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Gajdacz M., Hilliard A.J., Kristensen M.A., Pedersen P.L., Klempt C., Arlt J.J., Sherson J.F. (2016): Preparation of ultracold atom clouds at the shot noise level,  Phys. Rev. Lett. 117, 073604
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Kaczmarczyk, J.; Weimer, H.; Lemeshko, M. (2016): Dissipative preparation of antiferromagnetic order in the Fermi-Hubbard model,  New J. Phys. 18, 093042
DOI: 10.1088/1367-2630/18/9/093042

Kruse, I.; Lange, K.; Peise, J.; Luecke, B.; Pezze, L.; Arlt, J.; Ertmer, W.; Lisdat, C.; Santos, L.; Smerzi, A.; Klempt, C. (2016): Improvement of an Atomic Clock using Squeezed Vacuum,  Phys. Rev. Lett. 117, 143004
DOI: 10.1103/PhysRevLett.117.143004

Malabarba A.S.L., Farrelly T., Short A.J. (2016): Comparing classical and quantum equilibration,  Phys. Rev. E 94, 032119 Weitere Informationen
DOI: 10.1103/PhysRevE.94.032119

Roth, A.; Hammerer, K. (2016): Synchronization of active atomic clocks via quantum and classical channels,  Phys. Rev. A 94, 043841
DOI: 10.1103/PhysRevA.94.043841

Gebbe, M.; Siemß, J.-N.; Gersemann, M.; Müntinga, H.; Herrmann, S.; Lämmerzahl, C.; Ahlers, H.; Gaaloul, N.; Schubert, C.; Hammerer, K.; Abend S.; Rasel E.M. (2021): Twin-lattice atom interferometry,  Nature Communications 12, 2544
DOI: 10.1038/s41467-021-22823-8
arXiv: 1907.08416

Hensel, T; Loriani, S; Schubert, C; Fitzek, F; Abend, S; Ahlers, H; Siemß, JN; Hammerer, K; Rasel, EM; Gaaloul, N (2021): Inertial sensing with quantum gases: a comparative performance study of condensed versus thermal sources for atom interferometry,  Eur. Phys. J. D 75:108 (2021)
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Canuel, B. et al. (2020): ELGAR—a European Laboratory for Gravitation and Atom-interferometric Research,  Class. Quantum Grav. 37, 225017 (2020).
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Corgier, R; Loriani, S; Ahlers, H; Posso-Trujillo, K; Schubert, C; Rasel, EM; Charron, E; Gaaloul, N (2020): Interacting quantum mixtures for precision atom interferometry,  New J. Phys. 22 123008 (2020)
DOI: 10.1088/1367-2630/abcbc8

Diana Nitzschke Marius Schulte Malte Niemann Juan M. Cornejo Stefan Ulmer Ralf Lehnert Christian Ospelkaus Klemens Hammerer (2020): Elementary Laser-Less Quantum Logic Operations with (Anti-)Protons in Penning Traps,  Adv. Quantum Technol. 2020, 1900133
DOI: 10.1002/qute.201900133

Fitzek, F; Siemß, JN; Seckmeyer, S; Ahlers, H; Rasel, EM; Hammerer, K; Gaaloul, N (2020): Universal atom interferometer simulation of elastic scattering processes,  Scientific Reports 10: 22120 (2020)
DOI: 10.1038/s41598-020-78859-1

Gersemann, M; Gebbe, M; Abend, S; Schubert, C; Rasel, EM (2020): Differential interferometry using a Bose-Einstein condensate,  Eur. Phys. J. D 74: 203 (2020)
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Jan-Niclas Siemß, Florian Fitzek, Sven Abend, Ernst M. Rasel, Naceur Gaaloul, and Klemens Hammerer (2020): Analytic theory for Bragg atom interferometry based on the adiabatic theorem,  Physical Review A 102
DOI: 10.1103/PhysRevA.102.033709

Loriani, S; Schubert, C; Schlippert, D; Ertmer, W; Dos Santos, FP; Rasel, EM; Gaaloul, N; Wolf, P (2020): Resolution of the colocation problem in satellite quantum tests of the universality of free fall,  Phys. Rev. D 102, 124043 (2020)
DOI: 10.1103/PhysRevD.102.124043

M. Raghunandan, F. Wolf, C. Ospelkaus, P. O. Schmidt, H. Weimer (2020): Initialization of quantum simulators by sympathetic cooling,  Science Advances 6, eaaw9268
DOI: 10.1126/sciadv.aaw9268

M. Schulte, C. Lisdat, P. O. Schmidt, U. Sterr, K. Hammerer (2020): Prospects and challenges for squeezing-enhanced optical atomic clocks,  Nat Commun 11, 5955
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Sabrina Hartmann, Jens Jenewein, Enno Giese, Sven Abend, Albert Roura, Ernst M. Rasel, and Wolfgang P. Schleich (2020): Regimes of atomic diffraction: Raman versus Bragg diffraction in retroreflective geometries,  Phys. Rev. A 101, 053610
DOI: 10.1103/PhysRevA.101.053610

Sahand Mahmoodian, Giuseppe Calajó, Darrick E. Chang, Klemens Hammerer, and Anders S. Sørensen (2020): Dynamics of Many-Body Photon Bound States in Chiral Waveguide QED,  Phys. Rev. X 10, 031011
DOI: 10.1103/PhysRevX.10.031011

Schwartz, PK; Giulini, D (2020): Classical perspectives on the Newton–Wigner position observable,  Int. J. Geom. Methods Mod. Phys. 17,  2050176
DOI: 10.1142/S0219887820501765

F. Wolf, C. Shi, J. C. Heip, M. Gessner, L. Pezzè, A. Smerzi, M. Schulte, K. Hammerer, P. O. Schmidt (2019): Motional Fock states for quantum-enhanced amplitude and phase measurements with trapped ions,  Nat Commun 10, 2929
DOI: 10.1038/s41467-019-10576-4

G. Zarantonello, H. Hahn, J. Morgner, M. Schulte, A. Bautista-Salvador, R. F. Werner, K. Hammerer, and C. Ospelkaus (2019): Robust and Resource-Efficient Microwave Near-Field Entangling 9Be+ Gate,  Phys. Rev. Lett. 123, 260503 
DOI: 10.1103/PhysRevLett.123.260503

H. Hahn, G. Zarantonello, M. Schulte, A. Bautista-Salvador, K. Hammerer, C. Ospelkaus (2019): Integrated ⁹Be⁺ multi-qubit gate device for the ion-trap quantum computer,  npj Quantum Information 5, 70
DOI: 10.1038/s41534-019-0184-5

Loriani, Sina and Friedrich, Alexander and Ufrecht, Christian and Di Pumpo, Fabio and Kleinert, Stephan and Abend, Sven and Gaaloul, Naceur and Meiners, Christian and Schubert, Christian and Tell, Dorothee and et al. (2019): Interference of clocks: A quantum twin paradox,  American Association for the Advancement of Science
DOI: 10.1126/sciadv.aax8966

T. Leopold, S. A. King, P. Micke, A. Bautista-Salvador, J. C. Heip, C. Ospelkaus, J. R. Crespo López-Urrutia, and P. O. Schmidt (2019): A cryogenic radio-frequency ion trap for quantum logic spectroscopy of highly charged ions,  Rev. Sci. Instrum. 90 , 073201
DOI: 10.1063/1.5100594

Chomaz, L.; van Bijnen, R. M. W.; Petter, D.; Faraoni, G.; Baier, S.; Becher, J. H.; Mark, M. J.; Waechtler, F.; Santos, L.; Ferlaino, F. (2018): Observation of roton mode population in a dipolar quantum gas,  Nature Physics 14, 442–446
DOI: 10.1038/s41567-018-0054-7

Hannig, S.; Mielke, J.; Fenske, J. A.; Misera, M.; Beev, N.; Ospelkaus, C.; Schmidt, P. O. (2018): A highly stable monolithic enhancement cavity for second harmonic generation in the ultraviolet,  Rev. Sci. Instrum. 89, 013106
DOI: 10.1063/1.5005515

Mehlstäubler T.E., Grosche G., Lisdat C., Schmidt P.O., Denker H. (2018): Atomic clocks for geodesy,  Reports on Progress in Physics Vol. 81, No. 6, 064401 Weitere Informationen
DOI: 10.1088/1361-6633/aab409
arXiv: 1803.01585

Schulte, M.; Loerch, N.; Schmidt, P. O.; Hammerer, K. (2018): Photon-recoil spectroscopy: Systematic shifts and nonclassical enhancements,  Phys. Rev. A 98, 063808
DOI: 10.1103/PhysRevA.98.063808

Beev N., Fenske J.-A., Hannig S., and Schmidt P. O. (2017): A low-drift, low-noise, multichannel dc voltage source for segmented-electrode Paul traps,  Review of Scientific Instruments 88, 054704 Weitere Informationen
DOI: 10.1063/1.4983925

Kulas S., Vogt C., Resch A., Hartwig J., Ganske S., Matthias J., Schlippert D., Wendrich T., Ertmer W., Rasel E.M., Damjanic M., Weßels P., Kohfeldt A., Luvsandamdin E., Schiemangk M., Grzeschik C., Krutzik M, Wicht A., Peters A., Herrmann S., Lämmerzahl C. (2017): Miniaturized Lab System for Future Cold Atom Experiments in Microgravity,  Microgravity Sci. Technol. Weitere Informationen
DOI: 10.1007/s12217-016-9524-7

Müller-Hermes A., Reeb D. (2017): Monotonicity of the Quantum Relative Entropy Under Positive Maps,  Ann. Henri Poincaré, 18 (2017), 1777-1788 Weitere Informationen
DOI: 10.1007/s00023-017-0550-9

Overbeck, V. R.; Maghrebi, M. F.; Gorshkov, A. V.; Weimer, H. (2017): Multicritical behavior in dissipative Ising models,  Phys. Rev. A 95, 042133
DOI: 10.1103/PhysRevA.95.042133

Abdelkhalek K., Nakata Y., Reeb D. (2016): Fundamental energy cost for quantum measurement Weitere Informationen
arXiv: 1609.06981v1

Farrelly T. (2016): Equilibration of quantum gases,  New Journal of Physics, Volume 18, July 2016 Weitere Informationen
DOI: 10.1088/1367-2630/18/7/073014

Kruse I., Lange K., Peise J., Lücke B., Pezze L., Arlt J., Ertmer W., Lisdat C., Santos L., Smerzi A., and Klempt C. (2016): Squeezed vacuum improves an atomic clock,  Phys. Rev. Lett. 117, 143004 (2016). Weitere Informationen

Lammers, J.; Weimer, H.; Hammerer, K. (2016): Open-system many-body dynamics through interferometric measurements and feedback,  Phys. Rev. A 94, 052120
DOI: 10.1103/PhysRevA.94.052120

Reiter F., Reeb D., Sørensen A.S. (2016): Scalable Dissipative Preparation of Many-Body Entanglement,  Phys. Rev. Lett. 117, 040501 (2016) Weitere Informationen
DOI: 10.1103/PhysRevLett.117.040501

Gebbe, M.; Siemß, J.-N.; Gersemann, M.; Müntinga, H.; Herrmann, S.; Lämmerzahl, C.; Ahlers, H.; Gaaloul, N.; Schubert, C.; Hammerer, K.; Abend S.; Rasel E.M. (2021): Twin-lattice atom interferometry,  Nature Communications 12, 2544
DOI: 10.1038/s41467-021-22823-8
arXiv: 1907.08416

Hensel, T; Loriani, S; Schubert, C; Fitzek, F; Abend, S; Ahlers, H; Siemß, JN; Hammerer, K; Rasel, EM; Gaaloul, N (2021): Inertial sensing with quantum gases: a comparative performance study of condensed versus thermal sources for atom interferometry,  Eur. Phys. J. D 75:108 (2021)
DOI: 10.1140/epjd/s10053-021-00069-9

Hartmann, T.; Schulze, T. A.; Voges, K. K.; Gersema, P.; Gempel, M. W.; Tiemann, E.; Zenesini, A.; Ospelkaus, S. (2019): Feshbach resonances in 23Na + 39K mixtures and refined molecular potentials for the NaK molecule,  Phys. Rev. A 99, 032711
DOI: 10.1103/PhysRevA.99.032711