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Efficiency of Brownian motors in terms of entropy production rate
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Qian, Min, Zhang, Xuejuan, Wilson, Roland, 1949- and Feng, Jianfeng. (2008) Efficiency of Brownian motors in terms of entropy production rate. Europhysics Letters (EPL), Vol.84 (No.1). ISSN 0295-5075
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Official URL: http://dx.doi.org/10.1209/0295-5075/84/10014
Abstract
This paper presents a novel approach to the investigation of the efficiency of Brownian motors in the framework of nonequilibrium theory. We derive an explicit expression of the entropy production rate (EPR) for a chemically driven Brownian motor and use this to develop an expression for motor efficiency in terms of the EPR. Our result is consistent with earlier derivations but is more general and physically transparent and thus applicable to a wider range of biological motors. Copyright (C) EPLA, 2008
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Centre for Scientific Computing Faculty of Science > Computer Science |
| Library of Congress Subject Headings (LCSH): | Entropy, Brownian motors, Stochastic processes, Fluctuations (Physics) |
| Journal or Publication Title: | Europhysics Letters (EPL) |
| Publisher: | Institute of Physics Publishing Ltd. |
| ISSN: | 0295-5075 |
| Date: | October 2008 |
| Volume: | Vol.84 |
| Number: | No.1 |
| Number of Pages: | 6 |
| Identification Number: | 10.1209/0295-5075/84/10014 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC), FANEDD, Engineering and Physical Sciences Research Council (EPSRC), Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC) |
| Grant number: | 10305007, (NSFC) 10771155 (NSFC), EP/C51338X (EPSRC), EP/D051916 (EPSRC), GR/S30443 (EPSRC), BB/E005802 (BBSRC) |
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| URI: | http://wrap.warwick.ac.uk/id/eprint/28479 |
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