Quantum Fluctuation in Thermal Vacuum State for Mesoscopic LC Electric Circuit

Chin. Phys. Lett.

2000, Vol. 17

Issue (3): 174-176 DOI:

Original Articles

Quantum Fluctuation in Thermal Vacuum State for Mesoscopic LC Electric Circuit

FAN Hong-Yi^1,2;LIANG Xian-Ting³

¹Department of Applied Physics, Shanghai Jiao Tong University, Shanghai 200030 ²Department of Material Science and Engineering, University of Science and Technology of China, Hefei 230026 ³Department of Physics, Huaihua Teacher s College, Huaihua, Hunan 418008

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FAN Hong-Yi, LIANG Xian-Ting 2000 Chin. Phys. Lett. 17 174-176

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Abstract We consider the quantization of LC (inductance-capacitance) circuit at a finite temperature T as any practical circuits always produce Joule heat except for superconductivity. It is shown that the quantum mechanical zeropoint fluctuations of both charge and current increase with upgoing T. Thermal field dynamics is used in our discussion.

Keywords: 03.65.-w 05.40.+j

Published: 01 March 2000

PACS:	03.65.-w	(Quantum mechanics)
	05.40.+j

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I3/0174

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