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wilde2540木蟲 (正式寫手)
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[交流]
【求助】求教關于電子散射的兩段話的理解
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我不是這個方向,請大牛們盡可能說的讓我能懂吧,^_^ 謝謝 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。 “l(fā)ifetime of an electron against inelastic scattering "這個咋講?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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