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有限温度下介观互感电容耦合双谐振电路的量子涨落

Keywords: 介观电路,互感耦合,电容耦合,有限温度,量子涨落

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Abstract:

从满足的微分方程入手,对介观互感电容耦合电路作双模耦合谐振子处理,利用谐振子量子化的方法将其量子化.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.在热场动力学(TFD)理论框架下,研究了热真空态、热相干态及热压缩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,而且还和压缩度、压缩角及环境温度有关,并且随温度的升高而增大.

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