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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 | Abstract: | We 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 | Services: | Forum | Review | PDF | Favorites |
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