Energy dissipation and fluctuation response in driven quantum Langevin dynamics

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Abstract

Energy dissipation in a nonequilibrium steady state is studied in driven quantum Langevin systems. We study energy dissipation flow to thermal environment, and obtain a general formula for the average rate of energy dissipation using an autocorrelation function for the system variable. This leads to a general expression of the equality that connects the violation of the fluctuation-response relation to the rate of energy dissipation, the classical version of which was first studied by Harada and Sasa.

Original languageEnglish
Article number50006
JournalEPL
Volume83
Issue number5
DOIs
Publication statusPublished - 2008 Sep 1
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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