Coulomb gap and low temperature conductivity of disordered systems

A. L. Efros, B. I. Shklovskii

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Abstract

The Coulomb interaction between localized electrons is shown to create a 'soft' gap in the density of states near the Fermi level. The new temperature dependence of the hopping DC conductivity is the most important manifestation of the gap. The form of the density of states within the gap is discussed.

Original languageEnglish (US)
Article number003
Pages (from-to)L49-L51
JournalJournal of Physics C: Solid State Physics
Volume8
Issue number4
DOIs
StatePublished - 1975
Externally publishedYes

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