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APS » Phys. Rev. A » Volume 74 » Issue 6

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Phys. Rev. A 74, 065601 (2006) [4 pages]

Bose-Einstein-condensed atoms in toroidal traps

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A. D. Jackson¹ and G. M. Kavoulakis²
¹Niels Bohr Institute, Blegdamsvej 17, DK-2100, Copenhagen Ø, Denmark
²Mathematical Physics, Lund Institute of Technology, P.O. Box 118, SE-22100 Lund, Sweden

Received 24 July 2006; published 15 December 2006

Weconsider Bose-Einstein-condensed atoms confined in a toroidal trap. Under conditionsof one-dimensional behavior, the density distribution of the atoms maybe exponentially localized or delocalized, even for very small variationsin the trapping potential along the torus. For similar reasons,small irregularities of the trap may also have a verypronounced effect on the density of the cloud. The excitationspectrum is also affected by the presence of some spatiallyvarying potential and/or irregularities in the trap.

©2006 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevA.74.065601
DOI:	10.1103/PhysRevA.74.065601
PACS:	03.75.Hh 03.75.Hh Static properties of Bose-Einstein condensates; thermodynamical, statistical, and structural properties YEAR: 2006
KEYWORDS:	Bose-Einstein condensation, radiation pressure

REFERENCES (15)

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