Publication Date:
2014-05-14
Description:
Author(s): Pei-Song He, Yao-Hui Zhu, and Wu-Ming Liu We investigate the drag force on a moving impurity in a spin-orbit-coupled Bose-Einstein condensate. We prove rigorously that the superfluid critical velocity is zero when the impurity moves in all directions but one, in contrast to the case of liquid helium and superconductor, where it is finite in... [Phys. Rev. A 89, 053615] Published Tue May 13, 2014
Keywords:
Matter waves and collective properties of cold atoms and molecules
Print ISSN:
1050-2947
Electronic ISSN:
1094-1622
Topics:
Physics
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