Valence transition in SmS: A theoretical calculation

Aveline, I.; Iglesias, J. R.

doi:10.1016/0304-8853(80)90843-4

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1981

1993

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On the Phonon Contribution to the Electrical Resistivity of Intermediate Valence Systems

Christoph

1982

Physica Status Solidi (b)

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The electrical resistivity of an electron-phonon system with two hybridized tight-binding electron bands is calculated. The electron-electron interaction is taken into account in the Hartree-Fock approximation leading to a n occupation dependent narrowing of the bands. The influence of the effective band width on the resistivity is discussed.Es wird der Phononenunteil des elektrischen Widerstands fur zwei hybridisierte tight-binding-BInder berechnet. Die Elektron-Elektron-Wechselwirkung wird in einer Hartree-Fock-Ngherung beriicksichtigt und liefert eine besetzungsabhilngige Bandbreite. Der EinfluS der effektiven Bandbreite auf den Widerstand wird diskutiert.

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