N-component Bose-Einstein Condensate in an Optical Lattice: Destruction of the Condensate and Quasiparticle Properties

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dc.creatorMoseley, C.
dc.creatorZiegler, K.
dc.date2004-10-01
dc.date2005-04-27
dc.date.accessioned2026-07-07T03:01:11Z
dc.date.available2026-07-07T03:01:11Z
dc.descriptionWe present a model of N-component hard-core bosons on a lattice. The limit N to infinity can be solved exactly. A saddle point approximation leads to a 1/N expansion and allows the calculation of physical quantities like the density of the condensate, the correlation between the components and the density-density correlation function and the correlation between different components. We find a superfluid phase with a tendency towards a Mott insulator at high densities and finite N.
dc.description8 pages, 3 figures, small changes, error corrected in Appendix
dc.identifierhttps://arxiv.org/abs/cond-mat/0410029
dc.identifierhttp://arxiv.org/abs/cond-mat/0410029
dc.identifierLaser Physics 15, No. 3, 469 (2005)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24981
dc.subjectOther Condensed Matter
dc.titleN-component Bose-Einstein Condensate in an Optical Lattice: Destruction of the Condensate and Quasiparticle Properties
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