利用热场动力学的方法计算了热压缩态中测量相位算符的涨落。
The fluctuations of the measured phase operators in the thermal squeezed states are calculated with the aid of thermo field dynamics.
用热场动力学方法计算了核物质中核子有效质量随密度的变化关系。
By means of the thermo field dynamics, the change of nucleon effective mass in nuclear matter with density is discussed.
作者利用热场动力学方法(TFD)，提出了具有有限温度的热叠加态。
By making use of thermo field dynamics (TFD), we construct the thermal superposition states in finite temperature.
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