Rotating Bose-Einstein condensates with attractive interactions

Details Rotating Bose-Einstein condensates with attractive interactions Rotating Bose-Einstein condensates with attractive interactions

2004-05-27

arxiv.org/abs/cond-mat/0405658v1

Phys. Rev. A, 70, (2004) 043603

Physics

Condensed Matter

Statistical Mechanics

6 pages, 5 ps figures, RevTex

Scientific paper

10.1103/PhysRevA.70.043603

We examine the phase diagram of a Bose-Einstein condensate of atoms, interacting with an attractive pseudopotential, in a quadratic-plus-quartic potential trap rotating at a given rate. Investigating the behavior of the gas as a function of interaction strength and rotational frequency of the trap, we find that the phase diagram has three distinct phases, one with vortex excitation, one with center of mass excitation, and an unstable phase in which the gas collapses.

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