该体系涉及轨道与电荷、自旋的耦合，电子与声子的相互作用，有序态与无序态的竞争。
The system involves the coupling between charge and spin, the interaction between electron and phonon, and the competition between order and disorder state.
提出了纯金属电阻率的两个简化模型：一个统计模型，一个电子一声子耦合模型。
Two simplified models, statistical model and electron-phonon coupling model, for the ideal metal electrical resistivity have been put forward.
有不少的极性晶体，电子与体纵光学声子的耦合弱，但与表面光学声予的耦合强。
There is a weak bulk coupling but a strong surface coupling between the electrons and phonon for many polar crystals.
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