Melting transition of vortex lattice in point vortex systems

    研究成果: Contribution to journalArticle査読

    2 被引用数 (Scopus)

    抄録

    Point vortices take a triangular lattice structure in a rotating system as a minimum energy state. We perform a numerical simulation of point vortex systems using initial conditions indicating that the triangular lattice is randomly perturbed. The total energy increases with the magnitude of the perturbation. When the energy is increased, the vortex lattice becomes irregular and a layered structure appears. When the energy is further increased, the layered structure disappears and a liquidlike state appears. We interpret the melting transition with a mean-field approximation for layered structures.

    本文言語英語
    論文番号104008
    ジャーナルjournal of the physical society of japan
    81
    10
    DOI
    出版ステータス出版済み - 10 2012

    All Science Journal Classification (ASJC) codes

    • 物理学および天文学(全般)

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