Document Type

Article

Publication Date

6-21-2007

Publication Title

Physical Review A - Atomic, Molecular, and Optical Physics

Abstract

Recent experiments on strongly interacting bosons in optical lattices have revealed the coexistence of spatially separated Mott-insulating and number-fluctuating phases. We explore the condensate properties of the number fluctuating phase trapped between the Mott-insulating regions and derive the associated collective-mode structure. We discuss the crossover of the interlayer properties between two- and three-dimensional behavior as a function of the lattice parameters and estimate the critical temperatures for the transition from the normal to superfluid state.

Volume

75

Issue

6

DOI

10.1103/PhysRevA.75.063622

ISSN

10502947

Rights

© 2007 The American Physical Society.

Comments

Archived as published.

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