Heteronuclear quantum gas mixtures

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dc.creatorOspelkaus, C.
dc.creatorOspelkaus, S.
dc.date2008-08-29
dc.date2008-10-07
dc.date.accessioned2026-07-07T10:07:39Z
dc.date.available2026-07-07T10:07:39Z
dc.descriptionThis 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 mixtures and demonstrate the achievement of large quantum degenerate mixtures of 40K and 87Rb. Using heteronuclear Feshbach resonances, we show how the heteronuclear interaction can be tuned, allowing us to induce phase separation and collapse for large repulsive and attractive interactions, respectively. We realize Fermi-Bose mixtures in 3D optical lattices as a novel quantum many-body system and study coherence properties of the mixture. Combining our experiments on lattices and Feshbach resonances, we present the first realization of ultracold heteronuclear Feshbach molecules. The molecules are created at individual sites of a 3D optical lattice. We discuss lifetime, binding energy and rf association efficiency in terms of a universal model and give an outlook for possible future developments.
dc.description72 pages, updated to published version
dc.identifierhttps://arxiv.org/abs/0808.4147
dc.identifierhttp://arxiv.org/abs/0808.4147
dc.identifierJ. Phys. B: At. Mol. Opt. Phys. 41, 203001 (2008)
dc.identifierdoi:10.1088/0953-4075/41/20/203001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170711
dc.subjectOther Condensed Matter
dc.subjectStatistical Mechanics
dc.subjectAtomic Physics
dc.titleHeteronuclear quantum gas mixtures
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