Periodic shedding of vortex dipoles from a moving penetrable obstacle in a Bose-Einstein condensate
نویسندگان
چکیده
منابع مشابه
Observation of vortex dipoles in an oblate Bose-Einstein condensate.
We report experimental observations and numerical simulations of the formation, dynamics, and lifetimes of single and multiply charged quantized vortex dipoles in highly oblate dilute-gas Bose-Einstein condensates (BECs). We nucleate pairs of vortices of opposite charge (vortex dipoles) by forcing superfluid flow around a repulsive Gaussian obstacle within the BEC. By controlling the flow veloc...
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Shin-Ichiro Ogawa, Mikko Möttönen, Mikio Nakahara, Tetsuo Ohmi, and Hisanori Shimada Department of Physics, Osaka City University, Osaka 558-8585, Japan Materials Physics Laboratory, Helsinki University of Technology, P.O. Box 2200 (Technical Physics), FIN-02015 HUT, Finland Department of Physics, Kinki University, Higashi-Osaka 577-8502, Japan Department of Physics, Kyoto University, Kyoto 606...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2015
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.92.033613