Quadratic effects in multiphonon transition rates in solids

Yitzhak Weissman*, Abraham Nitzan, Joshua Jortner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper we explore the contribution of quadratic impurity-phonon coupling terms on nonradiative multiphonon transition rates in solids. It is demonstrated that the quadratic terms may increase substantially the transition rate and may modify quantitatively the energy gap law. Such effects will be exhibited even when the quadratic coupling is too weak to be observable in the optical spectra.

Original languageEnglish
Pages (from-to)413-419
Number of pages7
JournalChemical Physics
Volume26
Issue number3
DOIs
StatePublished - 15 Dec 1977

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