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Journal of Low Temperature Physics

3-Dimensional Dynamics of Vortices in a rotating Bose-Einstein Condensate

Narimasa Sasa, Masahiko Machida, Hideki Matsumoto

Published Feb 1, 2005• 3 citations
Publisher
DOI
10.1007/s10909-005-2270-7

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We study the influence of dipole–dipole interaction on the formation of vortices in a rotating dipolar Bose–Einstein condensate (BEC) of 52 Cr and 164 Dy atoms in quasi two-dimensional geometry. By numerically solving the corresponding time-dependent mean-field Gross–Pitaevskii equation, we show that the dipolar interaction enhances the number of vortices, while a repulsive contact interaction increases the stability of the vortices. Furthermore, an ordered vortex lattice of a relatively large number of vortices is found in a strongly dipolar BEC.