Asymmetric solitary vortex evolution in two-dimensional Bose-Einstein condensate in harmonic trap

Ying Wang, Dongpo Song, Yang Yang, Wen Wen, Wei Wang

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Abstract

We studied the evolution of an asymmetric solitary vortex in a two-dimensional Bose-Einstein condensate starting from a quasi-one dimensional state with external harmonic trapping potential modulation. We derived the analytical solution of the asymmetric solitary vortex based on the two-dimensional Gross-Pitaevskii equation model and variational method. Furthermore, we identified the oscillation mode between the extreme asymmetric state and circular symmetric state for the derived solitary vortex. The obtained theoretical results can be used as guides for relevant experimental studies of asymmetric solitary vortices under similar physical conditions.

Original languageEnglish
Article number102716
JournalResults in Physics
Volume15
Early online date8 Oct 2019
DOIs
Publication statusPublished - Dec 2019

Keywords

  • Asymmetric vortex
  • Bose-Einstein condensate
  • Variational method

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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