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Article overview
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Nonlinear behavior of bosons in anisotropic optical lattices | A. Cetoli
; E. Lundh
; | Date: |
22 Dec 2007 | Abstract: | We investigate the behavior of a one-dimensional array of
Bose-Einstein condensate tubes described by means of a Bose-Hubbard
Hamiltonian. Using an anisotropic non-polynomial Schr"odinger equation we
link the macroscopic parameters in the Bose-Hubbard Hamiltonian to the ones
that are tunable in experiments. Using a mean field approach we predict that
increasing the optical lattice strength along the direction of the tubes, the
condensate can experience a reentrant transition between a Mott insulating
phase and the superfluid one. | Source: | arXiv, 0712.3851 | Services: | Forum | Review | PDF | Favorites |
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