Electron correlation in ferromagnetism. II. hybridization of s and d bands

Kishore, R. ; Joshi, Shri Krishna (1970) Electron correlation in ferromagnetism. II. hybridization of s and d bands Physical Review B, 2 (5). pp. 1411-1422. ISSN 0163-1829

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Official URL: http://prb.aps.org/abstract/PRB/v2/i5/p1411_1

Related URL: http://dx.doi.org/10.1103/PhysRevB.2.1411

Abstract

The problem of electron correlation in the ferromagnetism of transition metals is investigated by taking an approximate model Hamiltonian which takes into account the hybridization of the s and d bands. The Green's-function technique is used to obtain the self-consistent ferromagnetic solutions within the Hartree-Fock approximation. An approximate solution of the correlation problem is obtained. The ferromagnetic solutions for which the correlation effects are taken into account are compared with those in the Hartree-Fock approximation. The model is used to investigate the role of the s-d interaction in metal-nonmetal transitions. It is also possible to understand the difficulty of observing pressure-induced nonmetal-metal transition.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:14487
Deposited On:12 Nov 2010 14:12
Last Modified:19 Feb 2011 07:50

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