Band narrowing and susceptibility enhancement by a quadratic electron-phonon interaction

O. Entin Wohlman, H. Gutfreund, M. Weger

Research output: Contribution to journalLetterpeer-review

Abstract

It is shown that a quadratic electron-phonon interaction leads. under certain conditions, to temperature-dependent band narrowing and an inverse lifetime quadratic in the phonon occupation numbers. These explain the prominent metallic properties of organic metals of the TTF-TCNQ family. in particular the enhancement of the magnetic susceptibility.

Original languageEnglish
Pages (from-to)L61-L66
JournalJournal of Physics C: Solid State Physics
Volume18
Issue number3
DOIs
StatePublished - 30 Jan 1985

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