Electron-phonon interactions and the states of a crystal electron in an external electric field

D. J. Bergman, O. Entin-Wohlman

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1 Scopus citations

Abstract

The effect of the electron-phonon interactions on the states of a single tightly bound electron in a one-dimensional crystal in an external electric field F is discussed with the help of a master equation for the occupation probabilities of electron states. It is found that the occupation probabilities of the Stark ladder states usually do not provide a good description of the state of the system despite the fact that these were eigenstates in the absence of the interactions. A good description is possible in terms of the occupation probabilities of time-dependent band states with k(t) = ko + eFt/ h {combining short stroke overlay} since these probabilities satisfy a markoffian master equation.

Original languageEnglish
Pages (from-to)45-63
Number of pages19
JournalPhysica
Volume78
Issue number1
DOIs
StatePublished - 15 Nov 1974
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering

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