Elliptic vortices in self-attractive Bose-Einstein condensates

Fangwei Ye*, Boris A. Malomed, Dumitru Mihalache, Liangwei Dong, Bambi Hu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


We report solutions for vortex solitons in an anisotropic harmonic trapping potential in a "pancake-shaped" Bose-Einstein condensate with attractive inter-atomic interactions. Elliptic vortices featuring anisotropic patterns bifurcate from dipole states that exist in the linear limit. The elliptic vortices with topological charge S = 1, featuring strongly asymmetric shapes, may be stable in a wide region in their existence domain. The dependence of the stability region on the eccentricity of the elliptic trap is reported. All higher-order vortices, with S > 1, are unstable.

Original languageEnglish
Title of host publicationBose Einstein Condensates
Subtitle of host publicationTheory, Characteristics and Current Research
PublisherNova Science Publishers, Inc.
Number of pages9
ISBN (Print)9781617281143
StatePublished - 2010


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