Structural change of vortex patterns in anisotropic Bose-Einstein condensates

N. Lo Gullo, T. Busch, Mauro Paternostro

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We study the changes in the spatial distribution of vortices in a rotating Bose-Einstein condensate due to an increasing eccentricity of the trapping potential. By breaking the rotational symmetry, the vortex system undergoes a rich variety of structural changes, including the formation of zigzag and linear configurations. These spatial rearrangements are well signaled by the change in the behavior of the vortex-pattern eigenmodes against the eccentricity parameter. This behavior allows to actively control the distribution of vorticity in many-body systems and opens the possibility of studying interactions between quantum vortices over a large range of parameters.
Original languageEnglish
Article number053612
Pages (from-to)053612
Number of pages1
JournalPhysical Review A
Volume83
Issue number5
DOIs
Publication statusPublished - 10 May 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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