Reference : Superfluidity versus Anderson localization in a dilute Bose gas
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/75079
Superfluidity versus Anderson localization in a dilute Bose gas
English
Paul, T. [> > > >]
Schlagheck, Peter mailto [Université de Liège - ULg > Département de physique > Physique quantique statistique >]
Leboeuf, P. [> > > >]
Pavloff, N. [> > > >]
2007
Physical Review Letters
American Physical Society
98
21
Yes (verified by ORBi)
International
0031-9007
1079-7114
Ridge
NY
[en] 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 and dissipative and shows Anderson localization. We compute analytically the interaction-dependent localization length. We also explain the disappearance of the supersonic stationary flow for large disordered samples.
http://hdl.handle.net/2268/75079
10.1103/PhysRevLett.98.210602

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