利用热场动力学的方法研究了介观无损耗传输线中电流在具有热噪声的真空态、相干态和压缩态下的量子涨落.得到了有限温度下介观无损耗传输线中电流的量子涨落与温度的关系.结果表明,介观无损耗传输线中电流的量子涨落不仅与电路的参数有关,还与传输线所处的环境温度有关.温度越高,介观无损耗传输线中的量子噪声越大.
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