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Title

Vortex nucleation in Bose-Einstein condensates due to effective magnetic fields

AuthorsMurray, D. R.; Öhberg, P.; Gomila, Damià CSIC ORCID ; Barnett, Stephen M.
KeywordsAtom-photon collisions
Bose-Einstein condensation
Magnetic field effects
Quantum optics
Rotational states
[PACS] Dynamic properties of Bose-Einstein condensates
[PACS] Effects of atomic coherence on propagation, absorption, and amplification of light
Issue Date10-Jun-2009
PublisherAmerican Physical Society
CitationPhysical Review A 79(6): 063618 (2008)
AbstractWe investigate the rotational properties of a Bose-Einstein condensate (BEC) in an effective magnetic field. The corresponding gauge potential is optically generated, and based on the adiabatic motion of the atoms. We demonstrate that the nucleation of vortices is seeded by instabilities in surface excitations and show that this picture also holds when the applied effective magnetic field is not homogeneous. The eventual configuration of vortices in the cloud depends on the geometry of the applied field.
Description5 pages, 3 figures.-- PACS nrs.: 03.75.Kk; 42.50.Gy.-- ArXiv pre-print available at: http://arxiv.org/abs/0709.0895
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevA.79.063618
URIhttp://hdl.handle.net/10261/14855
DOI10.1103/PhysRevA.79.063618
ISSN1050-2947
Appears in Collections:(IFISC) Artículos

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