涡旋不稳定性与超流湍流的起始
Vortex instability and the onset of superfluid turbulence.
作者信息
Kopnin N B
机构信息
Low Temperature Laboratory, Helsinki University of Technology, P.O. Box 2200, FIN-02015 HUT, Espoo, Finland.
出版信息
Phys Rev Lett. 2004 Apr 2;92(13):135301. doi: 10.1103/PhysRevLett.92.135301. Epub 2004 Mar 31.
Abstract
Quantized circulation, the absence of Galilean invariance due to a clamped normal component, and the vortex mutual friction are the major factors that make superfluid turbulence behave in a way different from that in classical fluids. The model is developed for the onset of superfluid turbulence that describes the initial avalanchelike multiplication of vortices into a turbulent vortex tangle.
摘要
量子化环流、由于固定的法向分量导致的伽利略不变性的缺失以及涡旋相互摩擦，是使超流体湍流表现出与经典流体不同行为的主要因素。该模型是针对超流体湍流的起始阶段开发的，它描述了涡旋最初以雪崩式方式增殖形成湍流涡旋缠结的过程。
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