Mean-field theory for Bose-Hubbard Model under a magnetic field

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dc.creatorOktel, M. O.
dc.creatorNita, M.
dc.creatorTanatar, B.
dc.date2006-08-16
dc.date2007-03-29
dc.date.accessioned2026-07-07T07:54:40Z
dc.date.available2026-07-07T07:54:40Z
dc.descriptionWe consider the superfluid-insulator transition for cold bosons under an effective magnetic field. We investigate how the applied magnetic field affects the Mott transition within mean field theory and find that the critical hopping strength $(t/U)_c$, increases with the applied field. The increase in the critical hopping follows the bandwidth of the Hofstadter butterfly at the given value of the magnetic field. We also calculate the magnetization and superfluid density within mean field theory.
dc.description11 pages, 7 figures, published version
dc.identifierhttps://arxiv.org/abs/cond-mat/0608350
dc.identifierhttp://arxiv.org/abs/cond-mat/0608350
dc.identifierPhys. Rev. B 75, 045133 (2007)
dc.identifierdoi:10.1103/PhysRevB.75.045133
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/126695
dc.subjectStatistical Mechanics
dc.titleMean-field theory for Bose-Hubbard Model under a magnetic field
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