Analytical expression for high-frequency dielectric function of metals at moderate temperatures
Journal of Physics Conference Series(2018)
摘要
Analytical expressions are derived for the dielectric function of metals at moderate temperatures, determined by electron-phonon interactions, taking a quantum statistical approach and linear response theory as a basis. The obtained formulas permit one to calculate an effective electron-phonon collision frequency and the dielectric function of two-temperature plasmas for arbitrary laser radiation frequencies. Different limiting cases are considered.
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关键词
metals,analytical expression,high-frequency
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