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

(2) Harvard-Smithsonian Center for Astrophysics); Berea College; C. G. Koay (1); M. Crescimanno (1); R. Peterson (1); R. Walsworth (2) ((1) Physics Department

arxiv: cond-mat/0001163 · v2 · submitted 2000-01-12 · ❄️ cond-mat

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

M. Crescimanno (1) , C. G. Koay (1) , R. Peterson (1) , R. Walsworth (2) ((1) Physics Department , Berea College , (2) Harvard-Smithsonian Center for Astrophysics) This is my paper

classification ❄️ cond-mat

keywords estimatetrappedanalyticalcondensatescriticalvelocityalkalianalytically

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

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