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Title: | Vortex nucleation in Bose-Einstein condensates due to effective magnetic fields |
Authors: | Murray, D. R.; Öhberg, P.; Gomila, Damià CSIC ORCID ; Barnett, Stephen M. | Keywords: | Atom-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 Date: | 10-Jun-2009 | Publisher: | American Physical Society | Citation: | Physical Review A 79(6): 063618 (2008) | Abstract: | We 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. | Description: | 5 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 | URI: | http://hdl.handle.net/10261/14855 | DOI: | 10.1103/PhysRevA.79.063618 | ISSN: | 1050-2947 |
Appears in Collections: | (IFISC) Artículos |
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