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Phys. Rev. A 63, 023605 (2001) [6 pages]

Vortex states in a binary mixture of Bose-Einstein condensates

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S. T. Chui1, V. N. Ryzhov2, and E. E. Tareyeva2
1Bartol Research Institute, University of Delaware, Newark, Delaware 19716
2Institute for High Pressure Physics, Russian Academy of Sciences, 142 190 Troitsk, Moscow Region, Russia

Received 12 July 2000; revised 8 September 2000; published 11 January 2001

The vortex configurations in the Bose-Einstein condensate of a mixture of two different spin states |F=1,mf=-1 and |2,1 of 87Rb atoms corresponding to the recent experiments by Matthews et al. [Phys. Rev. Lett. 83, 2498 (1999)] are considered in the framework of the Thomas-Fermi approximation as functions of N2/N1, where N1 is the number of atoms in the state |1,-1 and N2 in the state |2,1. Ranges of this ratio are determined within which the various configurations of the binary condensate are stable.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.63.023605
DOI:
10.1103/PhysRevA.63.023605
PACS:
03.75.Fi, 05.30.Jp, 32.80.Pj