Benard-von Karman Vortex Street in a Bose-Einstein Condensate
Journal Article
·
· Physical Review Letters
- Department of Engineering Science, University of Electro-Communications, Tokyo 182-8585 (Japan)
Vortex shedding from an obstacle potential moving in a Bose-Einstein condensate is investigated. Long-lived alternately aligned vortex pairs are found to form in the wake, which is similar to the Benard-von Karman vortex street in classical viscous fluids. Various patterns of vortex shedding are systematically studied and the drag force on the obstacle is calculated. It is shown that the phenomenon can be observed in a trapped system.
- OSTI ID:
- 21413489
- Journal Information:
- Physical Review Letters, Vol. 104, Issue 15; Other Information: DOI: 10.1103/PhysRevLett.104.150404; (c) 2010 The American Physical Society; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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