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ELECTRON-PHOTON INTERACTION AND THE PHYSICAL PROPERTIES OF METALS

机译:电子-光子相互作用与金属的物理性质

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摘要

Theoretical work dealing with the electron-photon interaction (EPI) and its effects on the physical properties of metals is reviewed. The multi-particle approach and that using Landau's Fermi liquid theory are briefly described and their adequacy is demonstrated for low values of the adiabaticity parameter (ω_D/ε_F)~(1/2), where ω_D is the characteristic photon frequency, and ε_F is the Fermi energy. Density functional methods for EPI calculations are outlined and, for a number of simple and transition metals, the results of calculations for EPI spectral densities and EPI-dependent physical properties are presented. The potential and the range of validity of EPI applications of the density functional method are discussed.
机译:综述了有关电子-光子相互作用(EPI)及其对金属物理性能影响的理论工作。简要介绍了多粒子方法和使用Landau费米液体理论的方法,并证明了其对于低绝热参数(ω_D/ε_F)〜(1/2)的低值的适用性,其中ω_D是特征光子频率,而ε_F是费米能量。概述了用于EPI计算的密度泛函方法,并针对许多简单金属和过渡金属列出了EPI光谱密度和EPI依赖的物理性能的计算结果。讨论了密度泛函方法在EPI应用中的潜力和有效性范围。

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