Ground-State Properties of a Rotating Bose-Einstein Condensate with Attractive Interaction

Details Ground-State Properties of a Rotating Bose-Einstein Condensate with Attractive Interaction Ground-State Properties of a Rotating Bose-Einstein Condensate with Attractive Interaction

1999-07-16

arxiv.org/abs/cond-mat/9907233v1

Physics

Condensed Matter

4 pages, 2 figures, Accepted for publication in Physical Reveiw Letters

Scientific paper

10.1103/PhysRevLett.83.1489

The ground state of a rotating Bose-Einstein condensate with attractive interaction in a quasi-one-dimensional torus is studied in terms of the ratio $\gamma$ of the mean-field interaction energy per particle to the single-particle energy-level spacing. The plateaus of quantized circulation are found to appear if and only if $\gamma<1$ with the lengths of the plateaus reduced due to hybridization of the condensate over different angular-momentum states.

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