Publications of the Quantum Atom Optics Group

Article

  • B. Meyer-Hoppe, F. Anders, P. Feldmann, L. Santos, C. Klempt (2023): Excited-state phase diagram of a ferromagnetic quantum gasPhys. Rev. Lett. 131, 243402
    DOI: https://doi.org/10.1103/PhysRevLett.131.243402
    arXiv: 2301.10655
  • Bernd Meyer-Hoppe, Maximilian Baron, Christophe Cassens, Fabian Anders, Alexander Idel, Jan Peise, Carsten Klempt (2023): Dynamical low-noise microwave source for cold-atom experimentsRev Sci Instrum 94, 074705 (2023)
    DOI: https://doi.org/10.1063/5.0160367
    arXiv: https://arxiv.org/abs/2003.10989
  • C. Pür, M. Hetzel, M. Quensen, A. Hüper, J. Geng, J. Kruse, W. Ertmer, C. Klempt (2023): Rapid generation and number-resolved detection of spinor Rubidium Bose-Einstein condensatesPhys. Rev. A 107, 033303
    DOI: https://doi.org/10.1103/PhysRevA.107.033303
    arXiv: arXiv:2301.08172
  • Mareike Hetzel, Luca Pezzè, Cebrail Pür, Martin Quensen, Andreas Hüper, Jiao Geng, Jens Kruse, Luis Santos, Wolfgang Ertmer, Augusto Smerzi, and Carsten Klempt (2023): Tomography of a Number-Resolving Detector by Reconstruction of an Atomic Many-Body Quantum StatePhys. Rev. Lett. 131, 260601
    DOI: https://doi.org/10.1103/PhysRevLett.131.260601
    arXiv: https://arxiv.org/abs/2207.01270
  • M. Hetzel, L. Pezzè, C. Pür, M. Quensen, A. Hüper, J. Geng, J. Kruse, L. Santos, W. Ertmer, A. Smerzi, C. Klempt (2022): Tomography of a number-resolving detector by reconstruction of an atomic many-body quantum statearXiv:2207.01270 (2022).
    DOI: 10.48550/arXiv.2207.01270
    arXiv: 2207.01270
  • A. Hüper, C. Pür, M. Hetzel, J. Geng, J. Peise, I. Kruse, M. Kristensen, W. Ertmer, J. Arlt, C. Klempt (2021): Number-resolved preparation of mesoscopic atomic ensemblesNew J. Phys. 23, 113046 (2021).
    DOI: 10.1088/1367-2630/abd058
    arXiv: 1912.05689
  • F. Anders, A. Idel, P. Feldmann, D. Bondarenko, S. Loriani, K. Lange, J. Peise, M. Gersemann, B. Meyer, S. Abend, C. Schubert, D. Schlippert, L. Santos, E. Rasel, C. Klempt (2021): Momentum Entanglement for Atom InterferometryPhys. Rev. Lett. 127, 140402 (2021)
    DOI: 10.1103/PhysRevLett.127.140402
    arXiv: 2010.15796
  • G. Vitagliano, M. Fadel, I. Apellaniz, M. Kleinmann, B. Lücke, C. Klempt, G. Tóth (2021): Detecting Einstein-Podolsky-Rosen steering and bipartite entanglement in split Dicke statesarXiv:2104.05663 (2021)
    arXiv: 2104.05663
  • P. Feldmann, C. Klempt, A. Smerzi, L. Santos, M. Gessner (2021): Interferometric Order Parameter for Excited-State Quantum Phase Transitions in Bose-Einstein CondensatesPhys. Rev. Lett. 126, 230602 (2021).
    DOI: 10.1103/PhysRevLett.126.230602
    arXiv: 2011.02823
  • A. Chu, J. Will, J. Arlt, C. Klempt, A.-M. Rey (2020): Simulation of XXZ Spin Models using Sideband Transitions in Trapped Bosonic GasesPhys. Rev. Lett. 125, 240504 (2020). More info
    DOI: 10.1103/PhysRevLett.125.240504
    arXiv: 2004.01282
  • B. Canuel, S. Abend, P. Amaro-Seoane, F. Badaracco, Q. Beaufils, A. Bertoldi, K. Bongs, P. Bouyer, C. Braxmaier, W. Chaibi, N. Christensen, F. Fitzek, G. Flouris, N. Gaaloul, S. Gaffet, C. L. Garrido Alzar, R. Geiger, S. Guellati-Khelifa, K. Hammerer, J. Harms, J. Hinderer, M. Holynski, J. Junca, S. Katsanevas, C. Klempt, C. Kozanitis, M. Krutzik, A. Landragin, I. Làzaro Roche, B. Leykauf, Y.-H. Lien, S. Loriani, S. Merlet, M. Merzougui, M. Nofrarias, P. Papadakos, F. Pereira dos Santos, A. Peters, D. Plexousakis, M. Prevedelli, E. M. Rasel, Y. Rogister, S. Rosat, A. Roura, D. O. Sabulsky, V. Schkolnik, D. Schlippert, C. Schubert, L. Sidorenkov, J.-N. Siemß, C. F. Sopuerta, F. Sorrentino, C. Struckmann, G. M. Tino, G. Tsagkatakis, A. Viceré, W. von Klitzing, L. Woerner, and X. Zou (2020): Technologies for the ELGAR large scale atom interferometer array
    arXiv: 2007.04014
  • B. Meyer, A. Idel, F. Anders, J. Peise, C. Klempt (2020): Dynamical low-noise microwave source for cold atom experimentsarXiv:2003.10989 (2020).
    arXiv: 2003.10989
  • Christian Lisdat and Carsten Klempt (2020): Quantum engineering for optical clocksNature 588, 397-398 (2020).
    DOI: 10.1038/d41586-020-03510-y
  • B. Canuel, S. Abend, P. Amaro-Seoane, F. Badaracco, Q. Beaufils, A. Bertoldi, K. Bongs, P. Bouyer, C. Braxmaier, W. Chaibi, N. Christensen, F. Fitzek, G. Flouris, N. Gaaloul, S. Gaffet, C. L. Garrido Alzar, R. Geiger, S. Guellati-Khelifa, K. Hammerer, J. Harms, J. Hinderer, J. Junca, S. Katsanevas, C. Klempt, C. Kozanitis, M. Krutzik, A. Landragin, I. Làzaro Roche, B. Leykauf, Y.-H. Lien, S. Loriani, S. Merlet, M. Merzougui, M. Nofrarias, P. Papadakos, F. Pereira, A. Peters, D. Plexousakis, M. Prevedelli, E. Rasel, Y. Rogister, S. Rosat, A. Roura, D. O. Sabulsky, V. Schkolnik, D. Schlippert, C. Schubert, L. Sidorenkov, J.-N. Siemß, C. F. Sopuerta, F. Sorrentino, C. Struckmann, G. M. Tino, G. Tsagkatakis, A. Viceré, W. von Klitzing, L. Woerner, and X. Zou (2019): ELGAR -- a European Laboratory for Gravitation and Atom-interferometric ResearchClass. Quantum Grav. 37, 225017
    DOI: 10.1088/1361-6382/aba80e
    arXiv: 1911.03701
  • G. M. Tino, A. Bassi, G. Bianco, K. Bongs, P. Bouyer, L. Cacciapuoti, S. Capozziello, X. Chen, M. L. Chiofalo, A. Derevianko, W. Ertmer, N. Gaaloul, P. Gill, P. W. Graham, J. M. Hogan, L. Iess, M. A. Kasevich, H. Katori, C. Klempt, X. Lu, L.-S. Ma, H. Müller, N. R. Newbury, C. Oates, A. Peters, N. Poli, E. Rasel, G. Rosi, A. Roura, C. Salomon, S. Schiller, W. Schleich, D. Schlippert, F. Schreck, C. Schubert, F. Sorrentino, U. Sterr, J. W. Thomsen, G. Vallone, F. Vetrano, P. Villoresi, W. von Klitzing, D. Wilkowski, P. Wolf, J. Ye, N. Yu, and M. S. Zhan (2019): SAGE: A Proposal for a Space Atomic Gravity ExplorerEur. Phys. J. D 73, 228
    DOI: 10.1140/epjd/e2019-100324-6
    arXiv: 1907.03867
  • L. Pezzé, M. Gessner, P. Feldmann, C. Klempt, L. Santos, A. Smerzi (2019): Heralded Generation of Macroscopic Superposition States in a Spinor Bose-Einstein CondensatePhys. Rev. Lett. 123, 260403 (2019).
    DOI: 10.1103/PhysRevLett.123.260403
    arXiv: 1712.03864
  • M. A. Kristensen, M. B. Christensen, M. Gajdacz, M. Iglicki, K. Pawłowski, C. Klempt, J. F. Sherson, K. Rzążewski, A. J. Hilliard, and J. J. Arlt (2019): Observation of Atom Number Fluctuations in a Bose-Einstein CondensatePhys. Rev. Lett. 122, 163601 (2019).
    DOI: 10.1103/PhysRevLett.122.163601
    arXiv: arXiv:1812.03064v1
  • F. Anders, L. Pezzè, A. Smerzi, C. Klempt (2018): Phase magnification by two-axis counter-twisting for detection noise robust interferometryPhys. Rev. A 97, 043813 (2018).
    DOI: 10.1103/PhysRevA.97.043813
    arXiv: 1711.02658
  • K. Lange, J. Peise, B. Lücke, I.Kruse, G. Vitagliano, I. Apellaniz, M. Kleinmann, G. Toth, C. Klempt (2018): Entanglement between two spatially separated atomic modesScience 360, 416 (2018).
    DOI: 10.1126/science.aao2035
    arXiv: 1708.02480
  • K. Lange, J. Peise, B. Lücke, T. Gruber, A. Sala, A. Polls, W. Ertmer, B. Juliá-Díaz, L. Santos, C. Klempt (2018): Creation of entangled atomic states by an analogue of the Dynamical Casimir EffectNew J. Phys. 20, 103017 (2018).
    DOI: 10.1088/1367-2630/aae116
    arXiv: 1805.02560
  • P. Feldmann, M. Gessner, M. Gabbrielli, C. Klempt, L. Santos, L. Pezzè, A. Smerzi (2018): Interferometric sensitivity and entanglement by scanning through quantum phase transitions in spinor Bose-Einstein condensatesPhys. Rev. A 97, 032339 (2018).
    DOI: 10.1103/PhysRevA.97.032339
    arXiv: 1712.03896
  • G. Vitagliano, I. Apellaniz, M. Kleinmann, B. Lücke, C. Klempt, G. Tòth (2017): Entanglement and extreme spin squeezing of unpolarized statesNew J. Phys. 19, 013027 (2017)
    DOI: 10.1088/1367-2630/19/1/013027
    arXiv: 1605.07202
  • M. Kristensen, M. Gajdacz, P. Pedersen, C. Klempt, J. F. Sherson, J. J. Arlt, A. J. Hilliard (2017): Sub-atom shot noise Faraday imaging of ultracold atom cloudsJ. Phys. B: At. Mol. Opt. Phys. 50, 034004 (2017).
    DOI: 10.1088/1361-6455/50/3/034004
    arXiv: 1608.06814
  • I. Kruse, K. Lange, J. Peise, B. Lücke, L. Pezzè, J. Arlt, W. Ertmer, C. Lisdat, L. Santos, A. Smerzi, C. Klempt (2016): Improvement of an Atomic Clock using Squeezed VacuumPhys. Rev. Lett. 117, 143004 (2016).
    DOI: 10.1103/PhysRevLett.117.143004
    arXiv: 1605.07754
  • M. Gajdacz, A. J. Hilliard, M. A. Kristensen, P. L. Pedersen, C. Klempt, J. J. Arlt, J. F. Sherson (2016): Preparation of ultracold atom clouds at the shot noise levelPhys. Rev. Lett. 117, 073604 (2016).
    DOI: 10.1103/PhysRevLett.117.073604
    arXiv: 1604.05087
  • I. Apellaniz, B. Lücke, J. Peise, C. Klempt, G. Tóth (2015): Verifying the metrological usefulness of Dicke states with collective measurementsNew J. Phys. 17, 083027 (2015).
    DOI: 10.1088/1367-2630/17/8/083027
    arXiv: 1412.3426
  • J. Mahnke, I. Kruse, A. Hüper, S. Jöllenbeck, W. Ertmer, J. Arlt, C. Klempt (2015): A continuously pumped reservoir of ultracold atomsJ. Phys. B: At. Mol. Opt. Phys. 48, 165301 (2015).
    DOI: 10.1088/0953-4075/48/16/165301
    arXiv: 1506.06565
  • J. Peise, B. Lücke, L. Pezzé, F. Deuretzbacher, W. Ertmer, J. Arlt, A. Smerzi, L. Santos, and C. Klempt (2015): Interaction-free measurements by quantum Zeno stabilization of ultracold atomsNature Communications 6, 6811 (2015)
    DOI: 10.1038/ncomms7811
    arXiv: 1511.07636v1
  • J. Peise, I. Kruse, K. Lange, B. Lücke, L. Pezzè, J. Arlt, W. Ertmer, K. Hammerer, L. Santos, A. Smerzi, and C. Klempt (2015): Satisfying the Einstein–Podolsky–Rosen criterion with massive particlesNature Communications 6, 8984 (2015).
    DOI: 10.1038/ncomms9984
    arXiv: 1511.08704
  • J. Tura, R. Augusiak, A. B. Sainz, B. Lücke, C. Klempt, M. Lewenstein, A. Acín (2015): Nonlocality in many-body quantum systems detected with two-body correlatorsAnnals of Physics 362, 370 (2015).
    DOI: 10.1016/j.aop.2015.07.021
    arXiv: 1505.06740
  • L. Wacker, N. B. Jørgensen, D. Birkmose, R. Horchani, W. Ertmer, C. Klempt, N. Winter, J. Sherson, J.J. Arlt (2015): Tunable dual-species Bose-Einstein condensates of K-39 and Rb-87Phys. Rev. A 92, 053602 (2015).
    DOI: 10.1103/PhysRevA.92.053602
    arXiv: 1505.07975
  • B. Lücke, J. Peise, G. Vitagliano, J. Arlt, L. Santos, G. Tóth, C. Klempt (2014): Detecting multiparticle entanglement of Dicke statesPhys. Rev. Lett. 112, 155304 (2014).
    DOI: 10.1103/PhysRevLett.112.155304
    arXiv: 1403.4542
  • P. Pedersen, M. Gajdacz, F. Deuretzbacher, L. Santos, C. Klempt, J. Sherson, A. Hilliard, and J. Arlt (2014): Spin dynamics in a two-dimensional quantum gasPhys. Rev. A 89, 051603(R)
    DOI: 10.1103/PhysRevA.89.051603
    arXiv: 1404.7385
  • B. Lücke, L. Santos und C. Klempt (2013): Optik mit verschränkten AtomenPhysik Journal 10, 37 (2013) More info
  • D. Stoevesandt, C. Klempt, R. Scheubel, W. Herr, S. Hettwer, K. Werdan, R. Silber, T. Kraya, O. Thews, A. Schlitt (2013): Embolic events caused by aortic thrombi - an underestimated entity?Journal of Thrombosis and Thrombolysis 35, 223 (2013)
    DOI: 10.1007/s11239-012-0775-x
  • I. Geisel, K. Cordes, J. Mahnke, S. Jöllenbeck, J. Ostermann, J. Arlt, W. Ertmer, and C. Klempt (2013): Evolutionary optimization of an experimental apparatusAppl. Phys. Lett. 102, 214105 (2013)
    DOI: 10.1063/1.4808213
    arXiv: 1305.4094
  • J. Mahnke, S. Kulas, I. Geisel, S. Jöllenbeck, W. Ertmer, C. Klempt (2013): Microwave sidebands for laser cooling by direct modulation of a tapered amplifierRev. Sci. Instrum. 84, 063110 (2013)
    DOI: 10.1063/1.4811196
    arXiv: 1306.0402
  • M. Scherer, B. Lücke, O. Topic, G. Gebreyesus, F. Deuretzbacher, W. Ertmer, L. Santos, C. Klempt, J.J. Arlt (2013): Spontaneous symmetry breaking in spinor Bose-Einstein condensatesPhys. Rev. A 88, 053624 (2013)
    DOI: 10.1103/PhysRevA.88.053624
    arXiv: 1309.0424
  • B. Lücke, M. Scherer, J. Kruse, L. Pezzé, F. Deuretzbacher, P. Hyllus, O. Topic, J. Peise, W. Ertmer, J. Arlt, L. Santos, A. Smerzi, C. Klempt (2011): Twin matter waves for interferometry beyond the classical limitScience 334, 773 (2011).
    DOI: 10.1126/science.1208798
    arXiv: 1204.4102
  • K. Cordes, O. Topic, M. Scherer, C. Klempt, B. Rosenhahn, J. Ostermann (2011): Classification of Atomic Density Distributions using Scale Invariant Blob LocalizationLecture Notes in Computer Science 6753, 161 (2011)
    DOI: 10.1007/978-3-642-21593-3_17
  • M. Colomé-Tatché, C. Klempt, L. Santos, T. Vekua (2011): Adiabatic spin cooling using high-spin Fermi gasesNew J. Phys. 13, 113021 (2011)
    DOI: 10.1088/1367-2630/13/11/113021
    arXiv: 1009.2606
  • S. Jöllenbeck, J. Mahnke, R. Randoll, W. Ertmer, J. Arlt, C. Klempt (2011): A hexapole-compensated magneto-optical trap on a mesoscopic atom chipPhys. Rev. A 83, 043406 (2011) More info
    DOI: 10.1103/PhysRevA.83.043406
    arXiv: 1012.4321
  • C. Klempt, O. Topic, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, W. Ertmer, L. Santos, and J. Arlt (2010): Parametric amplification of vacuum fluctuations in a spinor condensatePhys. Rev. Lett. 104, 195303 (2010)
    DOI: 10.1103/PhysRevLett.104.195303
    arXiv: 0907.3413
  • F. Deuretzbacher, G. Gebreyesus, O. Topic, M. Scherer, B. Lücke, W. Ertmer, J. Arlt, C. Klempt, and L. Santos (2010): Parametric amplification of matter waves in dipolar spinor Bose-Einstein condensatesPhys. Rev. A 82, 053608 (2010) More info
    DOI: 10.1103/PhysRevA.82.053608
    arXiv: 1005.2011
  • G. Kleine Büning, J. Will, W. Ertmer, C. Klempt, J. Arlt (2010): A slow gravity compensated Atom LaserAppl. Phys. B 100, 117 (2010). More info
    DOI: 10.1007/s00340-010-4078-7
    arXiv: 1005.3964
  • M. Scherer, B. Lücke, G. Gebreyesus, O. Topic, F. Deuretzbacher, W. Ertmer, L. Santos, J. J. Arlt and C. Klempt (2010): Spontaneous breaking of spatial and spin symmetry in spinor condensatesPhys. Rev. Lett. 105, 135302 (2010). More info
    DOI: 10.1103/PhysRevLett.105.135302
    arXiv: 1007.2342
  • O. Topic, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, C. Klempt, W. Ertmer, L. Santos, and J. J. Arlt (2010): Resonant Amplification of Quantum Fluctuations in a Spinor GasLas. Phys. 20, 1156-1162 (2010).
    DOI: 10.1134/S1054660X10090422
  • C. Klempt, O. Topic, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, W. Ertmer, L. Santos, and J. Arlt (2009): Multi-resonant spinor dynamics in a Bose-Einstein condensatePhys. Rev. Lett. 103, 195302 (2009)
    DOI: 10.1103/PhysRevLett.103.195302
    arXiv: 0902.2058
  • C. Klempt, T. Henninger, O. Topic, J. Will, St. Falke, W. Ertmer, and J. Arlt (2008): Transport of a quantum degenerate heteronuclear Bose-Fermi mixture in a harmonic trapEur. Phys. J. D 48, 121 (2008) More info
    DOI: 10.1140/epjd/e2008-00067-5
    arXiv: 0708.2845
  • C. Klempt, T. Henninger, O. Topic, M. Scherer, L. Kattner, E. Tiemann, W. Ertmer, and J. J. Arlt (2008): Radio-frequency association of heteronuclear Feshbach moleculesPhys. Rev. A 78, 061602(R) (2008)
    DOI: 10.1103/PhysRevA.78.061602
    arXiv: 0809.0340
  • C. Klempt, T. Henninger, O. Topic, J. Will, W. Ertmer, E. Tiemann and J. Arlt (2007): K-40 - Rb-87 Feshbach resonances: Modeling the interatomic potentialPhys. Rev. A 76, 020701(R) (2007)
    DOI: 10.1103/PhysRevA.76.020701
    arXiv: 0706.0240
  • C. Klempt, T. v. Zoest, T. Henninger, O. Topic, E. Rasel, W. Ertmer, and J. Arlt (2006): Ultraviolet light-induced atom desorption for large rubidium and potassium magneto-optical trapsPhys. Rev. A 73, 013410 (2006) More info
    DOI: 10.1103/PhysRevA.73.013410
    arXiv: cond-mat/0509241

Review

  • Holger Ahlers, Leonardo Badurina, Angelo Bassi, Baptiste Battelier, Quentin Beaufils, Kai Bongs, Philippe Bouyer, Claus Braxmaier, Oliver Buchmueller, Matteo Carlesso, Eric Charron, Maria Luisa Chiofalo, Robin Corgier, Sandro Donadi, Fabien Droz, Robert Ecoffet, John Ellis, Frédéric Estève, Naceur Gaaloul, Domenico Gerardi, Enno Giese, Jens Grosse, Aurélien Hees, Thomas Hensel, Waldemar Herr, Philippe Jetzer, Gina Kleinsteinberg, Carsten Klempt, Steve Lecomte, Louise Lopes, Sina Loriani, Gilles Métris, Thierry Martin, Victor Martín, Gabriel Müller, Miquel Nofrarias, Franck Pereira Dos Santos, Ernst M. Rasel, Alain Robert, Noah Saks, Mike Salter, Dennis Schlippert, Christian Schubert, Thilo Schuldt, Carlos F. Sopuerta, Christian Struckmann, Guglielmo M. Tino, Tristan Valenzuela, Wolf von Klitzing, Lisa Wörner, Peter Wolf, Nan Yu, Martin Zelan (2022): STE-QUEST: Space Time Explorer and QUantum Equivalence principle Space Test
    arXiv: 2211.15412

Proceeding

  • C. Klempt, O. Topic, G. Gebreyesus, M. Scherer, T. Henninger, P. Hyllus, W. Ertmer, L. Santos, and J. Arlt (2010): Observation of Vacuum Fluctuations in a Spinor Bose-Einstein CondensateProceedings of the XIX. International Conference On LASER SPECTROSCOPY 2009, H. Katori, H. Yoneda, K. Kakagawa, F. Shimizu, 39-48, ISBN-13 978-981-4282-33-8

PhD Thesis

  • B. Lücke (2014): Multi-particle entanglement in a spinor Bose-Einstein condensate for quantum-enhanced interferometry | File |
  • O. Topic (2009): Resonante Spindynamik in Bose-Einstein-Kondensaten | File |
  • T. Henninger (2008): Ultrakalte heteronukleare Feshbach-Moleküle2008 | File |
  • C. Klempt (2007): Wechselwirkung in Bose-Fermi-Quantengasen2007 | File |

Diploma Thesis

  • A. P. Kulosa (2009): Aufbau eines Lasersystems zur Detektion und Manipulation von Atomen (Examensarbeit) | File |
  • J. Will (2007): Realisierung einer Magneto-Optischen Falle für 41K2007 | File |
  • O. Topic (2005): Präparation einer ultrakalten Bose-Fermi Mischung2005 | File |

Master Thesis

  • L. Kattner (2008): Laser System for the Stabilization of Ultracold Feshbach Molecules2008 | File |

Bachelor Thesis

  • C. Waltermann (2009): Absorptionsmethoden für ultrakalte 87Rb Ensembles
  • I. Geisel (2009): Aufbau und Charakterisierung eines Diodenlasers bei 690nm

Your Contact

apl. Prof. Dr. Carsten Klempt
Address
Welfengarten 1
30167 Hannover
Building
Room
apl. Prof. Dr. Carsten Klempt
Address
Welfengarten 1
30167 Hannover
Building
Room