Metal-insulator transition in ferromagnets with narrow allowed bands. Anderson localization due to fluctuations of magnetic order

Ye M. Kogan; M. I. Auslender

Metal-insulator transition in ferromagnets with narrow allowed bands. Anderson localization due to fluctuations of magnetic order

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Abstract

A model of the metal-insulator thermal transition in ferromagnets with narrow allowed bands is described. In the model, the transition is a consequence of Anderson localization, which arises from fluctuations of the effective transport integral due to fluctuations of magnetic order. Analysis of the series for the mass operator of the unaveraged Green's function gives a formula for the position of the mobility threshold which determines the temperature dependence of resistivity over a wide temperature range, including the Curie point T_c.

Original language	English
Pages (from-to)	9-14
Number of pages	6
Journal	Physics of Metals and Metallography
Volume	66
Issue number	3
State	Published - 1 Dec 1988
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Materials Chemistry

Cite this

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abstract = "A model of the metal-insulator thermal transition in ferromagnets with narrow allowed bands is described. In the model, the transition is a consequence of Anderson localization, which arises from fluctuations of the effective transport integral due to fluctuations of magnetic order. Analysis of the series for the mass operator of the unaveraged Green's function gives a formula for the position of the mobility threshold which determines the temperature dependence of resistivity over a wide temperature range, including the Curie point Tc.",

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N2 - A model of the metal-insulator thermal transition in ferromagnets with narrow allowed bands is described. In the model, the transition is a consequence of Anderson localization, which arises from fluctuations of the effective transport integral due to fluctuations of magnetic order. Analysis of the series for the mass operator of the unaveraged Green's function gives a formula for the position of the mobility threshold which determines the temperature dependence of resistivity over a wide temperature range, including the Curie point Tc.

AB - A model of the metal-insulator thermal transition in ferromagnets with narrow allowed bands is described. In the model, the transition is a consequence of Anderson localization, which arises from fluctuations of the effective transport integral due to fluctuations of magnetic order. Analysis of the series for the mass operator of the unaveraged Green's function gives a formula for the position of the mobility threshold which determines the temperature dependence of resistivity over a wide temperature range, including the Curie point Tc.

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Metal-insulator transition in ferromagnets with narrow allowed bands. Anderson localization due to fluctuations of magnetic order

Abstract

ASJC Scopus subject areas

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