涡旋晶格中的反全纯模式
Anti-Holomorphic Modes in Vortex Lattices
AI总结:
本文用直接推导与 Tkachenko 三角涡旋晶格精确解的长波极限两种方法,建立旋转涡旋晶格的线性化点涡旋连续介质理论,发现反全纯函数描述的幂律局域边缘模式,并经有限晶格数值验证。
摘要:
本文通过两种独立方法建立了围绕稳定旋转晶格状态的线性化 Helmholtz-Kirchoff 点涡旋动力学连续介质理论:首先采用直接过程,其次对 Tkachenko 关于三角涡旋晶格的精确解取长波极限。研究找到了该连续介质理论的解,其由任意反全纯函数描述,并给出幂律局域边缘模式。有限晶格的数值结果与该理论高度吻合。
英文摘要:
A continuum theory of linearized Helmholtz-Kirchoff point vortex dynamics about a steadily rotating lattice state is developed by two separate methods: firstly by a direct procedure, secondly by taking the long-wavelength limit of Tkachenko's exact solution for a triangular vortex lattice. Solutions to the continuum theory are found, described by arbitrary anti-holomorphic functions, and give power-law localized edge modes. Numerical results for finite lattices show excellent agreement to the theory.
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