The electron-phonon interaction and the physical properties of metals

E.G. Maksimov^a, D.Yu. Savrasov^a, S.Yu. Savrasov^b
^aLebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation
^bMax-Planck Institut für Festkörperforschung, Stuttgart, Germany

Theoretical work dealing with the electron-phonon interaction (EPI) and its effects on the physical properties of metals is reviewed. The many-body 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 theory is applied to 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 potentialities and the range of validity for EPI applications of the density functional method are discussed.

PACS: 63.20.Kr, 71.10.+x, 71.20.Cf, 71.38.+i
DOI: 10.1070/PU1997v040n04ABEH000226
URL: https://ufn.ru/en/articles/1997/4/a/
Web of Science

A1997XB47600001
Citation: Maksimov E G, Savrasov D Yu, Savrasov S Yu "The electron-phonon interaction and the physical properties of metals" Phys. Usp. 40 337–358 (1997)

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Оригинал: Максимов Е Г, Саврасов Д Ю, Саврасов С Ю «Электрон-фононное взаимодействие и физические свойства металлов» УФН 167 353–376 (1997); DOI: 10.3367/UFNr.0167.199704a.0353

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