Entropic Transport from a Discrete Standpoint
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概要
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It’s a known fact that driven Brownian transport through a geometrical landscape exhibits characteristic dependence of current and diffusion upon both temperature and a driving force as well as a remarkable existence of a scaling regime. From a different standpoint, this paper has investigated a neat random-walk model aiming at uniformly-driven transports under geometrical confinement and yet subject to discrete description. The results show that in this discrete modeling, some of those representative characteristcs of entropic transport retain while the others, such as scaling behavior, don’t. In addition, two characteristics are observed which do not exist in the continuous model: a reverse dependence of current on noise strengths, and the existence of mobility optimization.
- 2010-05-15
著者
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Li Ping-cheng
Department Of Physics National Chung-hsing University
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Tseng Hsen-che
Department Of Physics National Chung-hsing University
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Wang Cheng-Yen
Department of Physics, National Chung-Hsing University, Taichung, Taiwan 40227, R.O.C.
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Chen Hung-Jung
Department of Physics, National Chung-Hsing University, Taichung, Taiwan 40227, R.O.C.
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Li Ping-Cheng
Department of Physics, National Chung-Hsing University, Taichung, Taiwan 40227, R.O.C.
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Tseng Hsen-Che
Department of Physics, National Chung-Hsing University, Taichung, Taiwan 40227, R.O.C.
関連論文
- Investigation of the Dynamics of Critical k=2 Kauffman Networks Using Second-Order Loops(General)
- Studies of the Dynamics of Critical Random Boolean Networks Using Relevant Element Loops(General)
- Entropic Transport from a Discrete Standpoint