Conductivity near a mobility edge (ii)

N. F. Mott; M. Kaveh

doi:10.1080/01418638508244280

Conductivity near a mobility edge (ii)

N. F. Mott
, M. Kaveh

Department of Physics - at Bar-Ilan University

University of Cambridge

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

11 Scopus citations

Abstract

A further discussion is given of the use of the Kubo-Greenwood formula to obtain the expression σ -e²/ћξ for the conductivity near a mobility edge, and also of the effect of a change in the density of states on the conductivity in the weak localization case. We give arguments for a continuous transition in weak magnetic fields, and propose that a minimum metallic conductivity may exist for large magnetic fields.

Original language	English
Pages (from-to)	177-183
Number of pages	7
Journal	Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume	52
Issue number	2
DOIs	https://doi.org/10.1080/01418638508244280
State	Published - Aug 1985

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abstract = "A further discussion is given of the use of the Kubo-Greenwood formula to obtain the expression σ -e2/ћξ for the conductivity near a mobility edge, and also of the effect of a change in the density of states on the conductivity in the weak localization case. We give arguments for a continuous transition in weak magnetic fields, and propose that a minimum metallic conductivity may exist for large magnetic fields.",

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AB - A further discussion is given of the use of the Kubo-Greenwood formula to obtain the expression σ -e2/ћξ for the conductivity near a mobility edge, and also of the effect of a change in the density of states on the conductivity in the weak localization case. We give arguments for a continuous transition in weak magnetic fields, and propose that a minimum metallic conductivity may exist for large magnetic fields.

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Conductivity near a mobility edge (ii)

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