Degenerate Bose-Bose mixture in a three-dimensional optical lattice

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dc.creatorCatani, J.
dc.creatorDe Sarlo, L.
dc.creatorBarontini, G.
dc.creatorMinardi, F.
dc.creatorInguscio, M.
dc.date2007-06-19
dc.date2008-01-29
dc.date.accessioned2026-07-07T08:56:36Z
dc.date.available2026-07-07T08:56:36Z
dc.descriptionWe produce a heteronuclear quantum degenerate mixture of two bosonic species, $^{87}$Rb and $^{41}$K, in a three-dimensional optical lattice. On raising the lattice barriers, we observe the disapperance of the inference pattern of the heavier $^{87}$Rb, shifting toward shallower lattice depths in the presence of a minor fraction of $^{41}$K. This effect is sizable and requires only a marginal overlap between the two species. We compare our results with similar findings reported for Fermi-Bose mixtures and discuss the interpretation scenarios proposed to date, arguing that the explanation may be linked to the increased effective mass due to the interspecies interactions.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0706.2781
dc.identifierhttp://arxiv.org/abs/0706.2781
dc.identifierPhys. Rev. A 77, 011603(R) (2008)
dc.identifierdoi:10.1103/PhysRevA.77.011603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/146671
dc.subjectOther Condensed Matter
dc.titleDegenerate Bose-Bose mixture in a three-dimensional optical lattice
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