Three-dimensional matter-wave vortices in optical lattices

Tristram J. Alexander, Elena A. Ostrovskaya, Andrey A. Sukhorukov, and Yuri S. Kivshar
Phys. Rev. A 72, 043603 – Published 10 October 2005

Abstract

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.

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  • Received 25 January 2005

DOI:https://doi.org/10.1103/PhysRevA.72.043603

©2005 American Physical Society

Authors & Affiliations

Tristram J. Alexander, Elena A. Ostrovskaya, Andrey A. Sukhorukov, and Yuri S. Kivshar

  • Nonlinear Physics Centre and ARC Centre of Excellence for Quantum-Atom Optics, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200, Australia

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Issue

Vol. 72, Iss. 4 — October 2005

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