All Publications: Molecular Quantum Gases

S. Xu, R. Li, Y. Xia, M. Siercke, and S. Ospelkaus (2023): Blue-detuned molecular magneto-optical trap schemes based on bayesian optimization,  Physical Review A
DOI: 10.1103/PhysRevA.108.033102
arXiv: arXiv:2305.16576 [physics.atom-ph]

Julia Gerschmann, Erik Schwanke, Silke Ospelkaus and Eberhard Tiemann (2022): The electronic system (2)2Σ+ and (1)2Π of LiCa,  Molecular Physics
DOI: https://doi.org/10.1080/00268976.2022.2122886
arXiv: arXiv:2209.07853

Kai K. Voges, Philipp Gersema, Torsten Hartmann, Silke Ospelkaus, and Alessandro Zenesini (2022): Hyperfine dependent atom-molecule loss analyzed by the analytic solution of few-body loss equations,  Physical Review Research 4, 023184 (2022)
DOI: https://doi.org/10.1103/PhysRevResearch.4.023184
arXiv: arXiv:2109.03605

S. Xu, P. Kaebert, M. Stepanova, T. Poll, M. Siercke and S. Ospelkaus (2022): Engineering the sub-Doppler force in magneto-optical traps,  Phys. Rev. Research 4, L042036 (2022)
DOI: https://doi.org/10.1103/PhysRevResearch.4.L042036
arXiv: arXiv:2203.07754

P. Kaebert, M. Stepanova, T. Poll, M. Petzold, S. Xu, M. Siercke, S.Ospelkaus (2021): Characterizing the Zeeman slowing force for 40Ca19F molecules,  New Journal of Physics
DOI: https://doi.org/10.1088/1367-2630/ac1ed7
arXiv: 2104.08235

Philipp Gersema, Kai K. Voges, Mara Meyer zum Alten Borgloh, Leon Koch, Torsten Hartmann, Alessandro Zenesini, Silke Ospelkaus, Junyu Lin, Junyu He, and Dajun Wang (2021): Probing photoinduced two-body loss of ultracold non-reactive bosonic 23Na87Rb and 23Na39K molecules,  Physical Review Letters
DOI: https://doi.org/10.1103/PhysRevLett.127.163401
arXiv: 2103.00510

S. Xu, P. Kaebert, M. Stepanova, T. Poll, M. Siercke and S. Ospelkaus (2021): Maximizing the capture velocity of molecular magneto-optical traps with Bayesian optimization,  New Journal of Physics
DOI: https://doi.org/10.1088/1367-2630/ac06e6
arXiv: 2104.07984

Erik Schwanke, Julia Gerschmann, Horst Knöckel, Silke Ospelkaus and Eberhard Tiemann (2020): The coupled system (2)2Σ+ and (1)2Π of 7Li88Sr,  Journal of Physics B: Atomic, Molecular and Optical Physics 53, 065102
DOI: 10.1088/1361-6455/ab68f8

Kai K. Voges, Philipp Gersema, Mara Meyer zum Alten Borgloh, Torben A. Schulze, Torsten Hartmann, Alessandro Zenesini, and Silke Ospelkaus (2020): Ultracold Gas of Bosonic 23Na39K Ground-State Molecules,  Physical Review Letters
DOI: https://doi.org/10.1103/PhysRevLett.125.083401
arXiv: 2008.05439

Kai K. Voges, Philipp Gersema, Torsten Hartmann, Torben A. Schulze, Alessandro Zenesini, and Silke Ospelkaus (2020): Formation of ultracold weakly bound dimers of bosonic 23Na39K,  Phys. Rev. A 101, 042704
DOI: 10.1103/PhysRevA.101.042704

Kai K. Voges, Philipp Gersema, Torsten Hartmann, Torben A. Schulze, Alessandro Zenesini and Silke Ospelkaus (2019): A pathway to ultracold bosonic 23Na39K ground state molecules,  New J. Phys. 21 (2019) 123034
DOI: 10.1088/1367-2630/ab5f31

M. W. Gempel, T. Hartmann, T. A. Schulze, K. K. Voges, A. Zenesini, and S. Ospelkaus (2019): An adaptable two-lens high-resolution objective for single-site resolved imaging of atoms in optical lattices,  Review of Scientific Instruments 90, 053201 (2019)
DOI: 10.1063/1.5086539

Torsten Hartmann, Torben A. Schulze, Kai K. Voges, Philipp Gersema, Matthias W. Gempel, Eberhard Tiemann, Alessandro Zenesini, Silke Ospelkaus (2019): Feshbach resonances in 23Na+39K mixtures and refined molecular potentials for the NaK molecule,  Phys. Rev. A 99 (2019), 032711
DOI: 10.1103/PhysRevA.99.032711
arXiv: 1810.00608

M. Petzold, P. Kaebert, P. Gersema, M. Siercke, S. Ospelkaus (2018): A Zeeman slower for diatomic molecules,  New Journal of Physics, Volume 20, April 2018
DOI: 10.1088/1367-2630/aab9f5

M. Petzold, P. Kaebert, P. Gersema, T. Poll, N. Reinhardt, M. Siercke, and S. Ospelkaus (2018): Type-II Zeeman slowing: Characterization and comparison to conventional radiative beam slowing schemes,  Phys. Rev. A 98, 063408
DOI: 10.1103/PhysRevA.98.063408
arXiv: arXiv:1811.10404

T.A. Schulze, T. Hartmann, K.K. Voges, M.W. Gempel, E. Tiemann, A. Zenesini, and S. Ospelkaus (2018): Feshbach spectroscopy and dual-species Bose-Einstein condensation of 23Na-39K mixtures,  Phys. Rev. A 97, 023623
DOI: 10.1103/PhysRevA.97.023623

E. Schwanke, H. Knöckel, A. Stein, A. Pashov, S. Ospelkaus and E. Tiemann (2017): Laser and Fourier transform spectroscopy of LiSr,  Journal of Physics B: Atomic, Molecular and Optical Physics 50, 235103
DOI: 10.1088/1361-6455/aa8ca0

J. Gerschmann, E. Schwanke, A. Pashov, H. Knöckel, S. Ospelkaus, and E. Tiemann (2017): Laser and Fourier-transform spectroscopy of KCa,  Phys. Rev. A 96, 032505
DOI: 10.1103/PhysRevA.96.032505

M.W. Gempel, T. Hartmann, T.A. Schulze, K.K. Voges, A. Zenesini, S. Ospelkaus (2016): Versatile electric fields for the manipulation of ultracold NaK molecules,  New J. Phys. 18 (2016) 045017
DOI: 10.1088/1367-2630/18/4/045017
arXiv: arXiv:1603.08348

F. Richter, D. Becker, C. Bény, T. A. Schulze, S. Ospelkaus, T. J. Osborne (2015): Ultracold chemistry and its reaction kinetics,  New Journal of Physics, V. 17 (05505)

T.A. Schulze, I.I. Temelkov, M.W. Gempel, T. Hartmann, H. Knöckel, S. Ospelkaus, and E. Tiemann (2013): Multichannel modeling and two photon coherent transfer paths in NaK,  Phys. Rev. A 88, 023401 (2013), DOI: http://dx.doi.org/10.1103/PhysRevA.88.023401 More info

M. H. G. de Miranda, A. Chotia, B. Neyenhuis, D. Wang, G. Quemener, S. Ospelkaus, J. L. Bohn, J. Ye, D. S. Jin (2011): Controlling the quantum stereodynamics of ultracold bimolecular reactions,  Nature Physics (2011)

D. Wang, B. Neyenhuis, M. H. G. de Miranda, K.-K. Ni, S. Ospelkaus, D. S. Jin, and J. Ye (2010): Direct absorption imaging of ultracold polar molecules,  Phys. Rev. A 81, 061404 (2010)

K.-K. Ni*, S. Ospelkaus*, D. Wang, G. Que'me'ner, B. Neyenhuis, M. H. G. de Miranda, J. L. Bohn, J. Ye, D. S. Jin *These authors contributed equally. (2010): Dipolar collisions of polar molecules in the quantum regime,  Nature 464, 1324-1328 (2010)

S. Ospelkaus, K.-K. Ni, D. Wang, M. H. G. de Miranda, B. Neyenhuis, G. Que'me'ner, P. S. Julienne, J. L. Bohn, D. S. Jin, J. Ye (2010): Quantum-state controlled chemical reactions of ultracold potassium-rubidium molecules,  Science 327, 853 (2010)

S. Ospelkaus, K.-K. Ni, G. Quéméner, B. Neyenhuis, D. Wang, M. H. G. de Miranda, J. L. Bohn, J. Ye, and D. S. Jin (2010): Controlling the Hyperfine State of Rovibronic Ground-State Polar Molecules,  Phys. Rev. Lett. 104, 030402 (2010)

S. Ospelkaus, K.-K. Ni, M. H. G. de Miranda, B. Neyenhuis, D. Wang, S. Kotochigova, P. S. Julienne, D. S. Jin and J. Ye (2009): Ultracold polar molecules near quantum degeneracy,  Faraday Discuss., 142, 351-359 (2009)

C. Ospelkaus, S. Ospelkaus (2008): Heteronuclear quantum gas mixtures,  Journal of Physics B: Atomic, Molecular and Optical Physics 41, 203001 (2008) | File | More info

F. Deuretzbacher, K. Plassmeier, D. Pfannkuche, F. Werner, C. Ospelkaus, S. Ospelkaus, K. Sengstock, K. Bongs (2008): Heteronuclear molecules in an optical lattice: Theory and experiment,  Physical Review A 77, 032726 | File | More info

J. J. Zirbel, K.-K. Ni, S. Ospelkaus, J. P. D’Incao, C. E. Wieman, J. Ye, and D. S. Jin (2008): Collisional Stability of Fermionic Feshbach Molecules,  Phys. Rev. Lett. 100, 143201 (2008)

J. J. Zirbel, K.-K. Ni, S. Ospelkaus, T. L. Nicholson, M. L. Olsen, P. S. Julienne, C. E. Wieman, J. Ye, and D. S. Jin (2008): Heteronuclear molecules in an optical dipole trap,  Phys. Rev. A 78, 013416 (2008)

K.-K. Ni*, S. Ospelkaus*, M. H. G. de Miranda, A. Pe'er, B. Neyenhuis, J. J. Zirbel, S. Kotochigova, P. S. Julienne, D. S. Jin, and J. Ye *These authors contributed equally. (2008): A high phase-space-density gas of polar molecules,  Science 322, 231 (2008)

M. Cramer, S. Ospelkaus, C. Ospelkaus, K. Bongs, K. Sengstock, J. Eisert (2008): Do Mixtures of Bosonic and Fermionic Atoms Adiabatically Heat Up in Optical Lattices?,  Physical Review Letters 100, 140409 (2008) | File | More info

S. Ospelkaus, A. Pe'er, K.-K. Ni, J. J. Zirbel, B. Neyenhuis, S. Kotochigova, P. S. Julienne, J. Ye, and D. S. Jin (2008): Ultracold dense gas of deeply bound heteronuclear molecules,  Nature Physics 4, 622 (2008)

S. Ospelkaus, C. Ospelkausa, R. Dinter, J. Fuchs, M. Nakat, K. Sengstock, K. Bongs (2007): Degenerate K–Rb Fermi–Bose gas mixtures with large particle numbers,  Journal of Modern Optics 54, 661 (2007) More info

C. Ospelkaus, S. Ospelkaus, K. Sengstock, K. Bongs (2006): Interaction-Driven Dynamics of ⁴⁰K-⁸⁷Rb Fermion-Boson Gas Mixtures in the Large-Particle-Number Limit,  Physical Review Letters 96, 020401 (2006) | File | More info

C. Ospelkaus, S. Ospelkaus, L. Humbert, P. Ernst, K. Sengstock, K. Bongs (2006): Ultracold Heteronuclear Molecules in a 3D Optical Lattice,  Physical Review Letters 97, 120402 (2006) | File | More info

S. Ospelkaus, C. Ospelkaus, L. Humbert, K. Sengstock, K. Bongs (2006): Tuning of Heteronuclear Interactions in a Degenerate Fermi-Bose Mixture,  Physical Review Letters 97, 120403 (2006) | File | More info

S. Ospelkaus, C. Ospelkaus, O. Wille, M. Succo, P. Ernst, K. Sengstock, K. Bongs (2006): Localization of Bosonic Atoms by Fermionic Impurities in a Three-Dimensional Optical Lattice,  Physical Review Letters 96, 180403 (2006) | File | More info

K.-K. Ni, S. Ospelkaus, D.J. Nesbitt, J. Ye and D.S. Jin (2009): A dipolar gas of ultracold molecules,  Phys. Chem. Chem. Phys., 11, 9626-39 (2009)