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Pinning of vortices in a Bose-Einstein condensate by an optical lattice | | J. W. Reijnders
; R. A. Duine
; | | Date: |
28 Dec 2003 | | Journal: | Phys. Rev. Lett. 93, 060401 (2004) DOI: 10.1103/PhysRevLett.93.060401 | | Subject: | Statistical Mechanics; Soft Condensed Matter | cond-mat.stat-mech cond-mat.soft | | 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 analogue in other condensed-matter systems. | | Source: | arXiv, cond-mat/0401583 | | Other source: | [GID 565204] pmid15323613 | | Services: | Forum | Review | PDF | Favorites | |
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