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Superfluidity versus Anderson localization in a dilute Bose gas

URN to cite this document:
urn:nbn:de:bvb:355-epub-25725
Paul, T. ; Schlagheck, Peter ; Leboeuf, P. ; Pavloff, N.
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Date of publication of this fulltext: 05 Aug 2009 13:40



Abstract

We consider the motion of a quasi one dimensional beam of Bose-Einstein condensed particles in a disordered region of finite extent. Interaction effects lead to the appearance of two distinct regions of stationary flow. One is subsonic and corresponds to superfluid motion. The other one is supersonic, dissipative and shows Anderson localization. We compute analytically the interaction-dependent ...

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