Reviews of topical problems

The electron-phonon interaction and the physical properties of metals

 a,  a,  b
a Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation
b Max-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 (ωDF)(1/2), where ωD is the characteristic photon frequency, and εF 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.

Fulltext is available at IOP
PACS: 63.20.Kr, 71.10.+x, 71.20.Cf, 71.38.+i
DOI: 10.1070/PU1997v040n04ABEH000226
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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