利用拉格朗日函数给出介观电感耦合电路体系的哈密顿量,通过引入一幺正算符使体系哈密顿算符对角化.借助于广义Hellmann-Feynman定理,讨论了有限温度下电路体系中电荷及其共轭量的量子涨落.结果表明,体系中电荷及其共轭量的量子涨落不仅与电路元件参数有关,而且还与温度有关.
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