Correlations in Ultracold Trapped Few-Boson Systems: Transition from Condensation to Fermionization

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dc.creatorZöllner, Sascha
dc.creatorMeyer, Hans-Dieter
dc.creatorSchmelcher, Peter
dc.date2006-08-29
dc.date.accessioned2026-07-07T07:34:28Z
dc.date.available2026-07-07T07:34:28Z
dc.descriptionWe study the correlation properties of the ground states of few ultracold bosons, trapped in double wells of varying barrier height in one dimension. Extending previous results on the signature of the transition from a Bose-condensed state via fragmentation to the hard-core limit, we provide a deeper understanding of that transition by relating it to the loss of coherence in the one-body density matrix and to the emerging long-range tail in the momentum spectrum. These are accounted for in detail by discussing the natural orbitals and their occupations. Our discussion is complemented by an analysis of the two-body correlation function.
dc.description22 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0608639
dc.identifierhttp://arxiv.org/abs/cond-mat/0608639
dc.identifierPhys. Rev. A 74, 063611 (2006)
dc.identifierdoi:10.1103/PhysRevA.74.063611
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/119774
dc.subjectOther Condensed Matter
dc.titleCorrelations in Ultracold Trapped Few-Boson Systems: Transition from Condensation to Fermionization
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