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wilde2540木虫 (正式写手)
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[交流]
【求助】求教关于电子散射的两段话的理解
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我不是这个方向，请大牛们尽可能说的让我能懂吧，^_^ 谢谢 1.At low temperature, however, where there are few thermal excitations to scatter off, the lifetime of an electron against inelastic scattering can be longer than other relevant timescales。 “lifetime of an electron against inelastic scattering "这个咋讲？啥意思 2.the mean free time against elastic scattering is short compared with the dwell time T of a wave in the sample before measurement (otherwise the field would be more propagative than diffuse), in turn much less than the time for phase garbling. |
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