330 citations · 1k across the 7 of their papers we have counts for
7 papers
Heteronuclear quantum gas mixtures
C. Ospelkaus, S. Ospelkaus
This PhD tutorial article is a review of our experiments on heteronuclear quantum gas mixtures at the University of Hamburg. We introduce basic properties of trapped Fermi-Bose mix…
Do mixtures of bosonic and fermionic atoms adiabatically heat up in optical lattices?
M. Cramer, S. Ospelkaus, C. Ospelkaus +3
Mixtures of bosonic and fermionic atoms in optical lattices provide a promising arena to study strongly correlated systems. In experiments realizing such mixtures in the quantum de…
Heteronuclear molecules in an optical lattice: Theory and experiment
Frank Deuretzbacher, Kim Plassmeier, Daniela Pfannkuche +5
We study properties of two different atoms at a single optical lattice site at a heteronuclear atomic Feshbach resonance. We calculate the energy spectrum, the efficiency of rf ass…
Ultracold heteronuclear molecules in a 3D optical lattice
C. Ospelkaus, S. Ospelkaus, L. Humbert +3
We report on the creation of ultracold heteronuclear molecules assembled from fermionic 40K and bosonic 87Rb atoms in a 3D optical lattice. Molecules are produced at a heteronuclea…
Tuning of heteronuclear interactions in a quantum-degenerate Fermi-Bose mixture
S. Ospelkaus, C. Ospelkaus, L. Humbert +2
We demonstrate tuning of interactions between fermionic 40K and bosonic 87Rb atoms by Feshbach resonances and access the complete phase diagram of the harmonically trapped mixture…
Localization of bosonic atoms by fermionic impurities in a 3d optical lattice
S. Ospelkaus, C. Ospelkaus, O. Wille +4
We observe a localized phase of ultracold bosonic quantum gases in a 3-dimensional optical lattice induced by a small contribution of fermionic atoms acting as impurities in a Ferm…