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

Andrew Ho, MA Cazalilla, T Giamarchi

Research output: Contribution to journalArticle

49 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)130405
Number of pages1
JournalPhysical Review Letters
Early online date1 Apr 2004
Publication statusPublished - 1 Apr 2004


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