| Issue |
EPL
Volume 83, Number 5, September 2008
|
|
|---|---|---|
| Article Number | 50006 | |
| Number of page(s) | 4 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/83/50006 | |
| Published online | 03 September 2008 | |
Energy dissipation and fluctuation response in driven quantum Langevin dynamics
Graduate School of Science, University of Tokyo - 113-0033, Japan and CREST, Japan Science and Technology (JST) - Saitama, 332-0012, Japan
Received:
25
May
2008
Accepted:
18
July
2008
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.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.30.-d – Quantum statistical mechanics / 05.70.Ln – Nonequilibrium and irreversible thermodynamics
© EPLA, 2008
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