Dynamics of the Bose-Einstein condensate: quasi-one-dimension and beyond

Details Dynamics of the Bose-Einstein condensate: quasi-one-dimension and beyond Dynamics of the Bose-Einstein condensate: quasi-one-dimension and beyond

2000-04-17

arxiv.org/abs/cond-mat/0004287v1

J. Phys. B: At. Mol. Opt. Phys. 33, 3983 (2000)

Physics

Condensed Matter

22 pages, 10 figures

Scientific paper

10.1088/0953-4075/33/19/312

It is shown that the quasi-one-dimensional Bose-Einstein condensate is experimentally accessible and rich in intriguing phenomena. We demonstrate numerically and analytically the existence, stability, and perturbation-induced dynamics of all types of stationary states of the quasi-one-dimensional nonlinear Schrodinger equation for both repulsive and attractive cases. Among our results are: the connection between stationary states and solitons; creation of vortices from such states; manipulation of such states with simple phase profiles; demonstration of the fragility of the condensate phase in response to shock; and a robust stabilization of the attractive Bose-Einstein condensate.

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