Coexistence of superfluid and Mott phases of lattice bosons

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dc.creatorBarankov, R. A.
dc.creatorLannert, C.
dc.creatorVishveshwara, S.
dc.date2006-11-06
dc.date.accessioned2026-07-07T09:56:42Z
dc.date.available2026-07-07T09:56:42Z
dc.descriptionRecent experiments on strongly-interacting bosons in optical lattices have revealed the co-existence of spatially-separated Mott-insulating and number-fluctuating phases. The description of this inhomogeneous situation is the topic of this Letter. We establish that the number-fluctuating phase forms a superfluid trapped between the Mott-insulating regions and derive the associated collective mode structure. We discuss the interlayer's crossover between two- and three-dimensional behavior as a function of the lattice parameters and estimate the critical temperatures for the transition of the superfluid phase to a normal phase.
dc.identifierhttps://arxiv.org/abs/cond-mat/0611126
dc.identifierhttp://arxiv.org/abs/cond-mat/0611126
dc.identifierPhys. Rev. A 75, 063622 (2007)
dc.identifierdoi:10.1103/PhysRevA.75.063622
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167070
dc.subjectOther Condensed Matter
dc.subjectMesoscale and Nanoscale Physics
dc.subjectAtomic Physics
dc.titleCoexistence of superfluid and Mott phases of lattice bosons
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