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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…