Phase diagram of quantized vortices in a trapped Bose-Einstein condensed gas
arXiv:cond-mat/9812362 · doi:10.1103/PhysRevLett.82.4371
Abstract
We investigate the thermodynamic stability of quantized vortices in a dilute Bose gas confined by a rotating harmonic trap at finite temperature. Interatomic forces play a crucial role in characterizing the resulting phase diagram, especially in the large Thomas-Fermi regime. We show that the critical temperature for the creation of stable vortices exhibits a maximum as a function of the frequency of the rotating trap and that the corresponding transition is associated with a discontinuity in the number of atoms in the condensate. Possible strategies for approaching the vortical region are discussed.
Revtex, 4 pages, 2 figures
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