Fluctuation of mesoscopic RLC circuit at finite temperature

被引：6

作者：

Zhang Xiao-Yan ^{[1
]}

Wang Ji-Suo ^{[1
]}

Fan Hong-Yi ^{[2
]}

机构：

[1] Liaocheng Univ, Sch Phys Sci & Informat Engn, Liaocheng 252059, Peoples R China

[2] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200030, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 09期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1088/0256-307X/25/9/009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider the fluctuation of mesoscopic RLC circuit at finite temperature since a resistance always produces Joule heat when the circuit is working. By virtue of the thermo field dynamics and the coherent thermo state representation we show that the quantum mechanical zero-point fluctuations of both charge and current increase with the rising temperature and the resistance value.

引用

页码：3126 / 3128

页数：3

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