Phys. Rev. A 77, 063603 (2008) [7 pages]Pair condensation of bosonic atoms induced by optical latticesReceived 6 July 2007; published 5 June 2008 We design a model of correlated hopping for bosonic atoms in optical lattices. Such a model exhibits three kinds of phases: a Mott insulator, a charge density wave, and a pair quasicondensate. One possible implementation of the model is based on two-state atoms embedded in an optical superlattice and having state-dependent interactions. Contrary to other models of pairing, correlated hopping is not a perturbative effect and should be observable in generalizations of current experiments. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.77.063603
DOI:
10.1103/PhysRevA.77.063603
PACS:
03.75.Nt, 71.35.Lk
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