Phys. Rev. A 66, 053602 (2002) [7 pages]Equivalent linear two-body method for Bose-Einstein condensates in time-dependent harmonic trapsReceived 4 March 2002; published 11 November 2002 The recently developed time-independent effective linear two-body method [J. Phys. B: At., Mol. Opt. Phys. 33, 55 (2000)] has been generalized for time-dependent traps. The method is used to describe the dynamics of trapped Bose-Einstein condensates beyond the Thomas-Fermi regime. The calculated aspect ratios after ballistic expansion are found to be in good agreement with experimental data obtained recently by Görlitz et al. [Phys. Rev. Lett. 87, 130402 (2001)]. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.66.053602
DOI:
10.1103/PhysRevA.66.053602
PACS:
03.75.Fi, 05.30.Jp
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