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23 October 2019
 
  » arxiv » cond-mat/0401583

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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
AbstractWe 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
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