Dielectric constant of an Anderson insulator

R. N. Bhatt

doi:10.1088/0022-3719/18/18/006

Dielectric constant of an Anderson insulator

R. N. Bhatt

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

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 language	English (US)
Pages (from-to)	L537-L541
Journal	Journal of physics C: Solid State Physics
Volume	18
Issue number	18
DOIs	https://doi.org/10.1088/0022-3719/18/18/006
State	Published - Jun 30 1985
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
General Engineering
General Physics and Astronomy

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10.1088/0022-3719/18/18/006

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title = "Dielectric constant of an Anderson insulator",

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.",

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AB - 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.

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JO - Journal of physics C: Solid State Physics

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Dielectric constant of an Anderson insulator

Abstract

All Science Journal Classification (ASJC) codes

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