Typical pure nonequilibrium steady states and irreversibility for quantum transport

Takaaki Monnai, Kazuya Yuasa

研究成果: Article査読

2 被引用数 (Scopus)

抄録

It is known that each single typical pure state in an energy shell of a large isolated quantum system well represents a thermal equilibrium state of the system. We show that such typicality holds also for nonequilibrium steady states (NESS's). We consider a small quantum system coupled to multiple infinite reservoirs. In the long run, the total system reaches a unique NESS. We identify a large Hilbert space from which pure states of the system are to be sampled randomly and show that the typical pure states well describe the NESS. We also point out that the irreversible relaxation to the unique NESS is important to the typicality of the pure NESS's.

本文言語English
論文番号012146
ジャーナルPhysical Review E
94
1
DOI
出版ステータスPublished - 2016 7 29

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
  • 凝縮系物理学

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