QUANTUM FLUCTUATIONS IN MESOSCOPIC RESISTANCE-INDUCTANCE-CAPACITANCE ELECTRIC CIRCUITS AT FINITE TEMPERATURE
Liang Xian-ting (梁先庭)ab, Fan Hong-yi (范洪义)b
a Department of Physics, Huaihua Teachers College, Huaihua 418008, China; b Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
Abstract By using the charge and current in a quantization resistance-inductance-capacitance (RLC) electric circuit, we construct a pair of canonical variables. Using this pair of variables and the thermal field dynamics, we obtain the fluctuations of charge and current in the RLC electric circuit at finite temperatures. It is shown that the fluctuations increase with increasing temperature and decrease with prolonging of time.
Received: 15 October 2000
Revised: 05 February 2001
Accepted manuscript online:
(Fluctuation phenomena, random processes, noise, and Brownian motion)
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 19875046).
Cite this article:
Liang Xian-ting (梁先庭), Fan Hong-yi (范洪义) QUANTUM FLUCTUATIONS IN MESOSCOPIC RESISTANCE-INDUCTANCE-CAPACITANCE ELECTRIC CIRCUITS AT FINITE TEMPERATURE 2001 Chinese Physics 10 486
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