Deconfinement in a 2D optical lattice of coupled 1D boson systems

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We show that a two-dimensional (2D) array of 1D interacting boson tubes has a deconfinement transition between a 1D Mott insulator and a 3D superfluid for commensurate fillings and a dimensional crossover for the incommensurate case. We determine the phase diagram and excitations of this system and discuss the consequences for Bose condensates loaded in 2D optical lattices.
4 pages, 1 fig. Revision: simplified presentation of results

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Soft Condensed Matter, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/22462

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0310382
 http://arxiv.org/abs/cond-mat/0310382
 Phys. Rev. Lett. 92, 130405 (2004)
 doi:10.1103/PhysRevLett.92.130405

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arXiv