Soliton creation during a Bose-Einstein condensation

Details Soliton creation during a Bose-Einstein condensation Soliton creation during a Bose-Einstein condensation

2009-09-03

arxiv.org/abs/0909.0761v3

Phys.Rev.Lett.104:160404,2010

Physics

Condensed Matter

Quantum Gases

4 pages, 3 figures, improved version to appear in PRL: scalings discussed more extensively, fitting scheme for determination o

Scientific paper

10.1103/PhysRevLett.104.160404

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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