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28 March 2024
 
  » arxiv » cond-mat/0207171

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Mean-field model of interaction between bright vortex solitons in Bose-Einstein condensates
Sadhan K. Adhikari ;
Date 6 Jul 2002
Journal New J. Phys. 5 (2003) 137 (1-13)
Subject Soft Condensed Matter; Pattern Formation and Solitons | cond-mat.soft nlin.PS
AbstractUsing the explicit numerical solution of the axially-symmetric Gross-Pitaevskii equation we study the dynamics of interaction among vortex solitons in a rotating matter-wave bright soliton train in a radially trapped and axially free Bose-Einstein condensate to understand certain features of the experiment by Strecker et al.[2002 Nature 417 150]. In a soliton train, solitons of opposite phase (phase delta = pi) repel and stay apart without changing shape; solitons with delta = 0 attract, interact and coalesce, but eventually come out; solitons with a general delta usually repel but interact inelastically by exchanging matter. We study and suggest future experiments with vortex solitons.
Source arXiv, cond-mat/0207171
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