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Soliton creation during a Bose-Einstein condensation

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arxiv 0909.0761 v3 pith:W6474LT6 submitted 2009-09-03 cond-mat.quant-gas hep-thquant-ph

Soliton creation during a Bose-Einstein condensation

classification cond-mat.quant-gas hep-thquant-ph
keywords bose-einsteincondensationcoolingcriticalexponentssolitonstransitionallow
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We use stochastic Gross-Pitaevskii equation to study dynamics of Bose-Einstein condensation. We show that cooling into a Bose-Einstein condensate (BEC) can create solitons with density given by the cooling rate and by the critical exponents of the transition. Thus, counting solitons left in its wake should allow one to determine the critical exponents z and nu for a BEC phase transition. The same information can be extracted from two-point correlation functions.

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