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S.V. Vonsovskii and a contemporary model description of magnetism

Authors
  • Irkhin, V. Yu.1
  • 1 Russian Academy of Sciences, Institute of Metal Physics, Ural Division, ul. S. Kovalevskoi 18, Ekaterinburg, 620990, Russia , Ekaterinburg (Russia)
Type
Published Article
Journal
The Physics of Metals and Metallography
Publisher
SP MAIK Nauka/Interperiodica
Publication Date
Dec 01, 2010
Volume
110
Issue
7
Pages
602–641
Identifiers
DOI: 10.1134/S0031918X10130028
Source
Springer Nature
Keywords
License
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Abstract

A comparison is given of the fundamental works of S. V. Vonsovskii on the many-electron polar and s-d (f) exchange models with the subsequent development of the theory of magnetism of transition and rare-earth metals and their compounds. Special attention is given to the derivation of different many-electron models (Heisenberg, Hubbard, Anderson) and to the interrelation between them. Among the problems considered in this review, of most importance are the many-electron approaches used in the description of systems of d and f electrons, the atomic representation of X operators, and the problem of strong itinerant magnetism and formation of local moments. The application of these concepts to highly correlated systems, in particular, to the half-metallic ferromagnets and the Kondo lattices is discussed.

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