Phys. Rev. A 72, 043603 (2005) [4 pages]Three-dimensional matter-wave vortices in optical latticesReceived 25 January 2005; published 10 October 2005 We reveal that a repulsive Bose-Einstein condensate confined in a three-dimensional (3D) optical lattice supports vortex states which are spatially localized in all three dimensions and possess highly nontrivial particle flow. We demonstrate that the lattice stabilizes extended vortex lines that are normally unstable to transverse modulations, and show that stable vortices localized inside the 3D lattice may be easily generated via a nonadiabatic loading process. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.043603
DOI:
10.1103/PhysRevA.72.043603
PACS:
03.75.Lm
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