Persistent currents in a Bose-Einstein condensate in the presence of disorder

Details Persistent currents in a Bose-Einstein condensate in the presence of disorder Persistent currents in a Bose-Einstein condensate in the presence of disorder

2006-10-30

arxiv.org/abs/cond-mat/0610830v2

Journal of Low Temp. Phys., 149 (2007) 176

Physics

Condensed Matter

Other Condensed Matter

5 pages, RevTex, 3 figures, revised version, to appear in JLTP

Scientific paper

10.1007/s10909-007-9504-9

We examine bosonic atoms that are confined in a toroidal, quasi-one-dimensional trap, subjected to a random potential. The resulting inhomogeneous atomic density is smoothened for sufficiently strong, repulsive interatomic interactions. Statistical analysis of our simulations show that the gas supports persistent currents, which become more fragile due to the disorder.

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