Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/97796
Type: Artigo de periódico
Title: New Approach To The Theory Of Intermediate Valence. Ii. Magnetic Susceptibility And Magnetic Instabilities
Author: Foglio M.E.
Balseiro C.A.
Falicov L.M.
Abstract: The previously introduced formalism to study the properties of some intermediate-valence solids is applied to calculate the magnetic susceptibility of various models and the instabilities of the paramagnetic state against ferromagnetism and antiferromagnetism. Our main results are: (i) A considerably enhanced susceptibility consisting of (a) a Hubbard-type Pauli contribution and (b) a Van-Vleck-type term due to higher configuration admixing. (ii) Instabilities against ferromagnetism and antiferromagnetism which are independent of the Van Vleck-type contribution and which differ somewhat from similar divergences found in the Hubbard model. © 1979 The American Physical Society.
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Rights: aberto
Identifier DOI: 10.1103/PhysRevB.20.4560
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-16444380967&partnerID=40&md5=b2706cbfff489cd1ca4c8506555ed421
Date Issue: 1979
Appears in Collections:Unicamp - Artigos e Outros Documentos

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