Efficiency of Brownian motors

被引：83
|
作者：
Parrondo, JMR [1 ]
Blanco, JM
Cao, FJ
Brito, R
机构：
[1] Univ Complutense Madrid, Dept Fis Atom Nucl & Mol, E-28040 Madrid, Spain
[2] Univ Complutense Madrid, Dept Fis Aplicada 1, E-28040 Madrid, Spain
来源：
EUROPHYSICS LETTERS | 1998年 / 43卷 / 03期
关键词：
D O I：
10.1209/epl/i1998-00348-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The efficiency of different types of Brownian motors is calculated analytically and numerically. We find that motors based on flashing ratchets present a,low efficiency and an unavoidable entropy production. On the other hand, a certain class of motors based on adiabatically changing potentials, named reversible ratchets, exhibit a higher efficiency and the entropy production can be arbitrarily reduced.
引用
收藏
页码：248 / 254
页数：7
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