Stationary wave patterns generated by an impurity moving with supersonic velocity through a Bose-Einstein condensate

Details Stationary wave patterns generated by an impurity moving with supersonic velocity through a Bose-Einstein condensate Stationary wave patterns generated by an impurity moving with supersonic velocity through a Bose-Einstein condensate

2009-02-08

arxiv.org/abs/0902.1317v1

Phys. Rev. A 79, 053619 (2009)

Physics

Condensed Matter

Other Condensed Matter

7 pages, 3 figures

Scientific paper

Formation of stationary 3D wave patterns generated by a small point-like impurity moving through a Bose-Einstein condensate with supersonic velocity is studied. Asymptotic formulae for a stationary far-field density distribution are obtained. Comparison with three-dimensional numerical simulations demonstrates that these formulae are accurate enough already at distances from the obstacle equal to a few wavelengths.

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