The small-length-scale behaviour of an Anderson insulator and the question of ‘resistivity saturation’

S. Shaft; Z. Ovadyahu

doi:10.1080/13642818508238925

The small-length-scale behaviour of an Anderson insulator and the question of ‘resistivity saturation’

S. Shaft
, Z. Ovadyahu

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

1 Scopus citations

Abstract

Measurements of conductivity versus temperature performed on indium oxide specimens close to the metal-insulator transition are presented. For samples on the insulating side, the conductivity,σ(T) is observed to increase as a power law of the temperature. This is in agreement with a conjecture due to Thouless. However, an additional conduction path apparently needs to be assumed to account for the experimental results.

Original language	English
Pages (from-to)	57-62
Number of pages	6
Journal	Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume	52
Issue number	4
DOIs	https://doi.org/10.1080/13642818508238925
State	Published - Oct 1985
Externally published	Yes

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10.1080/13642818508238925

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abstract = "Measurements of conductivity versus temperature performed on indium oxide specimens close to the metal-insulator transition are presented. For samples on the insulating side, the conductivity,σ(T) is observed to increase as a power law of the temperature. This is in agreement with a conjecture due to Thouless. However, an additional conduction path apparently needs to be assumed to account for the experimental results.",

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AB - Measurements of conductivity versus temperature performed on indium oxide specimens close to the metal-insulator transition are presented. For samples on the insulating side, the conductivity,σ(T) is observed to increase as a power law of the temperature. This is in agreement with a conjecture due to Thouless. However, an additional conduction path apparently needs to be assumed to account for the experimental results.

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The small-length-scale behaviour of an Anderson insulator and the question of ‘resistivity saturation’

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