Dielectric constant of an Anderson insulator

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Abstract

The dielectric constant of a non-interacting disordered insulator in the presence of phonons is shown to diverge as T-1/4 at low temperatures. This behaviour is due to the high density of low-frequency hopping modes characteristic of the disordered system, and may be observable in real systems at temperatures above the Coulomb gap.

Original languageEnglish (US)
Pages (from-to)L537-L541
JournalJournal of physics C: Solid State Physics
Volume18
Issue number18
DOIs
StatePublished - Jun 30 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Engineering(all)
  • Physics and Astronomy(all)

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