Efficiency of Interacting Brownian Motors: Improved Mean-Field Treatment

被引：9
|
作者：
Slanina, Frantisek [1 ]
机构：
[1] Acad Sci Czech Republic, Inst Phys, Prague 18221, Czech Republic
来源：
JOURNAL OF STATISTICAL PHYSICS | 2009年 / 135卷 / 5-6期
关键词：
Molecular motors; Fluctuation theorem; Exclusion process; ASYMMETRIC EXCLUSION MODEL; MOLECULAR MOTORS; FLUCTUATION THEOREM; ENERGY TRANSDUCTION; STOCHASTIC DYNAMICS; THERMAL RATCHETS; PROTEIN KINETICS; STEADY-STATES; TRANSPORT; ENERGETICS;
D O I：
10.1007/s10955-009-9743-z
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The "reversible ratchet" model of interacting Brownian motors, introduced by us earlier, is investigated using a one-site approximation of a mean-field type. We confirm the effect of enhanced efficiency due to repulsive interaction and we provide arguments suggesting that the enhancement is of energetic, rather than entropic, origin. We also check the validity of the fluctuation theorem for stationary particle current.
引用
收藏
页码：935 / 950
页数：16
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