Relation between the dynamics of the reduced purity and correlations

Gen Kimura, Hiromichi Ohno, Milán Mosonyi

研究成果: Article査読

2 被引用数 (Scopus)

抄録

General property of the relation between the dynamics of reduced purity and correlations in quantum mechanical systems is investigated. We show that a non-zero time-derivative of the reduced purity of a system implies the existence of non-zero correlations with its environment for any unbounded Hamiltonian with finite variance. This shows the impact of local dynamical information on the correlations, as well as the role of correlations in the mechanism of purity change.

本文言語English
ページ(範囲)233-243
ページ数11
ジャーナルOpen Systems and Information Dynamics
17
3
DOI
出版ステータスPublished - 2010 9月
外部発表はい

ASJC Scopus subject areas

  • 統計物理学および非線形物理学
  • 統計学および確率
  • 数理物理学

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