热激发态下介观互感电容耦合双谐振电路的量子涨落The Quantum Fluctuations of Mesoscopic Double Resonance Mutual Inductance and Capacitance Coupled Circuit in Thermal Excited State
徐兴磊,贾建运
摘要(Abstract):
对介观互感电容耦合电路作双模耦合谐振子处理,将其量子化.通过线性变换,将体系的哈密顿量对角化.给出了体系的本征能谱,利用热场动力学(TFD)的方法,研究了热激发态、热压缩真空态、热真空态及真空态下回路中电荷和电流的量子涨落。结果表明:电荷电流的量子涨落不仅和电路自身的参数、彼此的耦合程度有关,而且还和激发量子数、压缩度、压缩角及环境温度有关,并且随温度的升高而增大。
关键词(KeyWords): 热激发态;介观电路;互感耦合;电容耦合;双谐振电路;量子涨落
基金项目(Foundation): 菏泽学院科学研究基金资助项目(XY07WL01);; 山东省高等学校实验技术资助项目(S04W138)
作者(Author): 徐兴磊,贾建运
DOI: 10.16393/j.cnki.37-1436/z.2008.05.010
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