Stochastic thermodynamics for "Maxwell demon" feedbacks

被引：90

作者：

Esposito, Massimiliano ^{[1
]}

Schaller, Gernot ^{[2
]}

机构：

[1] Univ Luxembourg, L-1511 Luxembourg, Luxembourg

[2] Tech Univ Berlin, Inst Theoret Phys, D-10623 Berlin, Germany

来源：

EPL | 2012年 / 99卷 / 03期

关键词：

MAXIMUM POWER; HEAT ENGINES; 2ND LAW; INFORMATION; EFFICIENCY; SYSTEMS;

D O I：

10.1209/0295-5075/99/30003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a way to incorporate the effect of a specific class of feedback processes into stochastic thermodynamics. These "Maxwell demon" feedbacks do not affect the system energetics but only the energy barriers between the system states (in a way which depends on the system states). They are thus of a purely informational nature. We show that the resulting formalism can be applied to study the thermodynamic effect of a feedback process acting on electron transfers through a junction. Copyright (C) EPLA, 2012

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页数：6

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