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Nucleation of Vortez Arrays in Rotating Anisotropic Bose-Einstein Condensates

Published

Author(s)

D L. Feder, Charles W. Clark, B I. Schneider

Abstract

The nucleation of vortices and the resulting structures of vortex arrays in dilute, trapped, zero-temperature Bose-Einstein condensates are investigated numerically. Vortices are generated by rotating a three-dimensional, anisotropic harmonic atom trap. The condensate ground state is obtained by propagating the Gross-Pitaevskii equation in imaginary time. Vortices first appear at a rotation frequency significantly larger than the critical frequency for vortex stabilization, consistent with a critical velocity mechanism for vortex nucleation. At higher frequencies, the structures of the vortex arrays are strongly influenced by trap geometry.
Citation
Physical Review A (Atomic, Molecular and Optical Physics)
Volume
61

Keywords

Bose-Einstein condensation, numerical calculations, superfluidity, vortex arrays, vortex nucleation

Citation

Feder, D. , Clark, C. and Schneider, B. (2000), Nucleation of Vortez Arrays in Rotating Anisotropic Bose-Einstein Condensates, Physical Review A (Atomic, Molecular and Optical Physics) (Accessed October 11, 2025)

Issues

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Created January 1, 2000, Updated June 2, 2021
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