Publicação: Mean-field model for the interference of matter-waves from a three-dimensional optical trap
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Elsevier B.V.
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Using the mean-field time-dependent Gross-Pitaevskii equation we study the formation of a repulsive Bose-Einstein condensate on a combined optical and harmonic traps in two and three dimensions and subsequent generation of the interference pattern upon the removal of the combined traps as in the experiment by, Greiner et al. [Nature (London 415 (2002) 39]. For optical traps of moderate strength, interference pattern of 27 (9) prominent bright spots is found to be formed in three. (two) dimensions on a cubic (square) lattice in agreement with experiment. Similar interference pattern can also be formed upon removal of the optical lattice trap only. The pattern so formed can oscillate for a long time in the harmonic trap which can be observed experimentally. (C) 2003 Elsevier B.V. B.V. All rights reserved.
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Bose-Einstein condensation, interference of matter-wave
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Inglês
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Physics Letters A. Amsterdam: Elsevier B.V., v. 310, n. 2-3, p. 229-235, 2003.
