Winding up by a quench: vortices in the wake of rapid Bose-Einstein condensation

Details Winding up by a quench: vortices in the wake of rapid Bose-Einstein condensation Winding up by a quench: vortices in the wake of rapid Bose-Einstein condensation

1998-04-14

arxiv.org/abs/quant-ph/9804035v2

Phys.Rev.Lett. 83 (1999) 1707-1710

Physics

Quantum Physics

4 pages, 2 figures; misprint corrected

Scientific paper

10.1103/PhysRevLett.83.1707

A second order phase transition induced by a rapid quench can lock out topological defects with densities far exceeding their equilibrium expectation values. We use quantum kinetic theory to show that this mechanism, originally postulated in the cosmological context, and analysed so far only on the mean field classical level, should allow spontaneous generation of vortex lines in trapped Bose-Einstein condensates of simple topology, or of winding number in toroidal condensates.

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