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Elementary Excitations of a Bose-Einstein Condensate in an Effective Magnetic Field

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dc.creator Murray, D. R.
dc.creator Öhberg, P.
dc.creator Gomila, Damià
dc.creator Barnett, Stephen M.
dc.date 2008-02-28T00:31:31Z
dc.date 2008-02-28T00:31:31Z
dc.date 2007-06-14
dc.date.accessioned 2017-01-31T01:00:26Z
dc.date.available 2017-01-31T01:00:26Z
dc.identifier Physical Review A 76, 053626 (1-8) (2007)
dc.identifier http://hdl.handle.net/10261/3103
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3103
dc.description 8 pages, 4 figures.
dc.description We calculate the low energy elementary excitations of a Bose-Einstein Condensate in an effective magnetic field. The field is created by the interplay between light beams carrying orbital angular momentum and the trapped atoms. We examine the role of the homogeneous magnetic field, familiar from studies of rotating condensates, and also investigate spectra for vector potentials with a more general radial dependence. We discuss the instabilities which arise and how these may be manifested.
dc.description This work was supported by the United Kingdom EPSRC. D.G. acknowledges financial support from MEC (Spain, Grant No. TEC2006-10009) and Govern Balear (Grant No. PROGECIB-5A).
dc.description Peer reviewed
dc.format 240135 bytes
dc.format application/pdf
dc.language eng
dc.relation Preprint
dc.rights openAccess
dc.subject Bose-Einstein Condensates
dc.subject Magnetic Fields
dc.subject Low Energy Elementary Excitations
dc.subject Condensed Matter
dc.title Elementary Excitations of a Bose-Einstein Condensate in an Effective Magnetic Field
dc.type Pre-print


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