Collapse of Bose-Einstein condensate with dipole-dipole interactions

Abstract

A dynamics of Bose-Einstein condensate of a gas of bosonic particles with long-range dipole-dipole interactions in a harmonic trap is studied. Sufficient analytical criteria are found both for catastrophic collapse of Bose-Einstein condensate and for long-time condensate existence. Analytical criteria are compared with variational analysis.

4 pages, 3 figures; submitted to Phys. Rev. Lett

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