Effect of optical disorder and single defects on the expansion of a Bose-Einstein condensate in a one-dimensional waveguide

Details Effect of optical disorder and single defects on the expansion of a Bose-Einstein condensate in a one-dimensional waveguide Effect of optical disorder and single defects on the expansion of a Bose-Einstein condensate in a one-dimensional waveguide

2005-07-06

arxiv.org/abs/cond-mat/0507144v1

Physics

Condensed Matter

Other Condensed Matter

5 pages, 5 figures

Scientific paper

We investigate the one-dimensional expansion of a Bose-Einstein condensate in an optical guide in the presence of a random potential created with optical speckles. With the speckle the expansion of the condensate is strongly inhibited. A detailed investigation has been carried out varying the experimental conditions and checking the expansion when a single optical defect is present. The experimental results are in good agreement with numerical calculations based on the Gross-Pitaevskii equation.

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