Diode system rectifying thermal fluctuations

被引：1
|
作者：
Liu, Jiuliang [1 ,2 ]
He, Jizhou [1 ]
机构：
[1] Nanchang Univ, Dept Phys, Nanchang 330031, Peoples R China
[2] Tongwen High Sch, Jiujiang 332000, Jiangxi, Peoples R China
来源：
PHYSICAL REVIEW E | 2010年 / 82卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1103/PhysRevE.82.022101
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We present an approach to the energetics of a diode based on the Langevin equation for an ideal RC circuit and establish a simple model consisting of two diodes switched in the same directions located in two heat reservoirs with different temperatures. We calculate the thermoelectric voltage and the efficiency of the diode system as a fluctuation rectifier and show the efficiency is always smaller than the Carnot value, thus, indicating the irreversible mode of operation. The Carnot efficiency is achieved only when the diode works as the normal resistor.
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页数：3
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