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Quantum Kelvin-Helmholtz instability in phase-separated two-component Bose-Einstein condensates

beimu1009 添加于 2010-4-8 21:57 | 1570 次阅读 | 0 个评论

作者
Takeuchi H, Suzuki N, Kasamatsu K, Saito H, Tsubota M
摘要
We theoretically study the Kelvin-Helmholtz instability in phase-separated two-component Bose-Einstein condensates using the Gross-Pitaevskii and Bogoliubov-de Gennes models. A flat interface between the two condensates is shown to deform into sawtooth or Stokes-like waves, leading to the formation of singly quantized vortices on the peaks and troughs of the waves. This scenario of interface instability in quantum fluids is quite different from that in classical fluids.
详细资料
- 关键词: cond-mat.quant-gas; cond-mat.other; physics.flu-dyn
- 文献种类: Journal Article
- 期刊缩写: Phys. Rev. B
- 期卷页: 2010年第81卷 094517页
- 备注:arXiv:0909.2144v2; 5 pages, 4 figures; Journal Ref: Phys. Rev. B 81, 094517 (2010)
学科领域自然科学 » 物理学
标签

BEC
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