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Pinning of vortices in a Bose-Einstein condensate by an optical lattice | J W Reijnders
; R A Duine
; | Date: |
6 Aug 2004 | Journal: | Phys Rev Lett, 93 (6), 060401 | Abstract: | We consider the ground state of vortices in a Bose-Einstein condensate. We show that turning on a weak optical periodic potential leads to a transition from the triangular Abrikosov vortex lattice to phases where the vortices are pinned by the optical potential. We discuss the phase diagram of the system for a two-dimensional optical periodic potential with one vortex per optical lattice cell. We also discuss the influence of a one-dimensional optical periodic potential on the vortex ground state. The latter situation has no analog in other condensed-matter systems. | Source: | PubMed, pmid15323613 | Other source: | [GID 565204] cond-mat/0401583 | Services: | Forum | Review | Favorites |
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