Deviation from equilibrium in macroscopic quantum systems

T. Monnai*

*この研究の対応する著者

    研究成果: Article査読

    抄録

    The irreversible relaxation to equilibrium is explained for macroscopic quantum systems with an emphasis on the behavior of expectation values and extremely high dimensionality of the Hilbert space. We consider a large but isolated system that is initially out of equilibrium and eventually relaxes to equilibrium. The relaxation is described by the deviation of the expectation value of the quantity of interest from the long-time average. After relaxation, the amount of deviation from equilibrium is discussed based on probabilistic arguments, which are available for nonintegrable systems. We also evaluate how long the system stays near equilibrium.

    本文言語English
    論文番号014043
    ジャーナルPhysica Scripta
    T151
    DOI
    出版ステータスPublished - 2012 11

    ASJC Scopus subject areas

    • 凝縮系物理学
    • 原子分子物理学および光学
    • 数理物理学
    • 物理学および天文学(全般)

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