Vortex phase diagram in trapped Bose-Einstein condensation

Details Vortex phase diagram in trapped Bose-Einstein condensation Vortex phase diagram in trapped Bose-Einstein condensation

2001-04-19

arxiv.org/abs/cond-mat/0104358v1

Physics

Condensed Matter

Soft Condensed Matter

11 pages, 8 figures

Scientific paper

10.1103/PhysRevA.64.043610

The vortex phase diagram in the external rotation frequency versus temperature is calculated for dilute Bose-Einstein condensed gases. It is determined within the Bogoliubov-Popov theory for a finite temperature where the condensate and non-condensate fractions are treated in an equal footing. The temperature dependences of various thermodynamic instability lines for the vortex nucleation are computed to construct the phase diagram. Experiments are proposed to resolve a recent controversy on the vortex creation problem associated with the quantized vortex observation in $^{87}$Rb atom gases.

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