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19 April 2024
 
  » arxiv » cond-mat/0212528

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Instabilities of off-centered vortices in a Bose-Einstein condensate
Tomoya Isoshima ; Jukka Huhtamäki ; Martti M. Salomaa ;
Date 20 Dec 2002
Subject Soft Condensed Matter | cond-mat.soft
AbstractWe study numerically the excitations of off-centered vortices in a Bose-Einstein condensate. The displacement of a single vortex and the separation of a doubly quantized vortex are considered. We find that the core-localized excitations of the precessing vortices continue to feature the property which implies that the vortices are unstable. The core-localized, dipolar, and quadrupolar excitations are found to deform continuously as functions of vortex displacements and intervortex separation.
Source arXiv, cond-mat/0212528
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