耗散介观RLC串联电路在热真空态下的量子涨落  

Quantum Fluctuations of Dissipative Mesoscopic RLC Series Circuit in Thermal Vacuum State

作　　者：孔令杰[1,2] 

机构地区：[1]菏泽学院物理与电子工程系,山东菏泽274015 [2]菏泽学院量子信息与物理计算实验室,山东菏泽274015

出　　处：《量子光学学报》2015年第3期260-265,共6页Journal of Quantum Optics

基　　金：山东省优秀中青年科学家科研奖励基金(BS2012CL001);菏泽学院博士基金(XY10BS02)

摘　　要：利用阻尼谐振子正则量子化方法,实现了耗散介观RLC串联电路的量子化,并在此基础上,研究了基于热场动力学(TFD)理论的热真空态下的电压和电流的量子涨落。结果表明,在热真空态下耗散介观RLC串联电路中的电压和电流存在着各自的量子涨落,且量子涨落及量子涨落积的大小不仅与电路中的器件参数有关,还与时间和温度有关。By using canonical quantization method of damped harmonic oscillator, the quantum of dissipative mesoscopic RLC series circuit was realized in this paper. And on this basis, the quantum fluctuations of voltage and current in circuit under thermal vacuum state which is based on thermal field dynamics theory were also studied through this research method. The results showed that quantum fluctuations exist in the voltage and current in circuit under thermal vacuum state respectively . And the sizes of quantum fluctuations and quantum fluctuations product not only depend on device parameters in the circuit, but also depend on time and temperature.

关 键 词：耗散介观RLC串联电路 量子化 热真空态 量子涨落 

分 类 号：O431.2[机械工程—光学工程]