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Journal
2009 | 7 | 3 | 614-619
Article title

Brownian pump with an unbiased external force

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Languages of publication
EN
Abstracts
EN
We investigate Brownian pump transport in the presence of an unbiased external force. The pumping system is embedded in a finite region bounded by two particle reservoirs. In the adiabatic limit, we obtain the analytical expressions of the current and the concentration ratio. We find that Brownian particles can be pumped through an asymmetric potential from a particle reservoir at low concentration to one at the same or higher concentration in the presence of an unbiased external force.
Publisher

Journal
Year
Volume
7
Issue
3
Pages
614-619
Physical description
Dates
published
1 - 9 - 2009
online
25 - 6 - 2009
Contributors
author
  • Institute for Condensed Matter Physics, School of Physics and Telecommunication Engineering, South China Normal University, 510006, Guangzhou, China
author
  • Institute for Condensed Matter Physics, School of Physics and Telecommunication Engineering, South China Normal University, 510006, Guangzhou, China, aibq@hotmail.com
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11534-009-0005-0
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