Analytical Estimate of the Critical Velocity for Vortex Pair Creation in Trapped Bose Condensates

Details Analytical Estimate of the Critical Velocity for Vortex Pair Creation in Trapped Bose Condensates Analytical Estimate of the Critical Velocity for Vortex Pair Creation in Trapped Bose Condensates

2000-01-12

arxiv.org/abs/cond-mat/0001163v2

Physics

Condensed Matter

12 pages

Scientific paper

10.1103/PhysRevA.62.063612

We use a modified Thomas-Fermi approximation to estimate analytically the
critical velocity for the formation of vortices in harmonically trapped BEC. We
compare this analytical estimate to numerical calculations and to recent
experiments on trapped alkali condensates.

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