极化子响应的相空间方法：Kadanoff和FHIP的再检验
Phase-space approach to polaron response: Kadanoff and FHIP re-examined
摘要：
提出了一种求解与电解槽耦合系统线性响应系数的方法。该方法是基于一个系统截断的刘维尔方程的减少分布函数。在低温和弱耦合条件下，一阶截断结果可望是准确的。得到了Fröhlich极化子电导率的显式表达式，并阐明了Kadanoff和Feynman-Hellwarth-Iddings-Platzmann迁移率之间的差异.
英文摘要：
A method is presented to obtain the linear response coefficients of a system coupled to a bath. The method is based on a systematic truncation of the Liouville equation for the reduced distribution function. The first order truncation results are expected to be accurate in the low temperature and weak coupling regime. Explicit expressions for the conductivity of the Fröhlich polaron are obtained, and the discrepancy between the Kadanoff and the Feynman-Hellwarth-Iddings-Platzmann mobility is elucidated.
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