The quantum theory for anomalous low-temperature thermal conductivity of noncrystalline dielectric solids

W. L. Zhao*, B. L. Zhou

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The authors discuss the interaction between two-level systems and the phonon field in noncrystalline dielectric solids, and they calculate the quantum transition matrix elements of such an interaction. After studying the Boltzmann equation for phonon transport, they obtain the phonon distribution function. From a direct calculation of the heat current, and as a result of obtaining the thermal conductivity of noncrystalline dielectric solids, the T2 relation is obtained.

Original languageEnglish
Article number006
JournalJournal of Physics: Condensed Matter
Volume4
Issue number1
DOIs
Publication statusPublished - 1992
Externally publishedYes

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