Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/97890
Type: Artigo de periódico
Title: Theory Of Intermediate Valence. Iii. Electronic Specific Heat
Author: Foglio M.E.
Falicov L.M.
Abstract: A theory of mixed valence, presented previously, is used to calculate the electronic specific heat. Two calculations are carried out: one in the Hartree-Fock approximation and another in the high-hybridization limit by means of a Hubbard-like decoupling scheme. It is found that the admixture of localized, ionic states into the band of itinerant electrons results in a reduction of the bandwidth, and a consequent enhancement of the specific heat by a factor of up to 2. In addition, for systems different from the almost empty or the almost full band, electron-electron correlation effects result in an extra narrowing of the band with a further enhancement of the specific heat by an additional factor of up to approximately 3. © 1980 The American Physical Society.
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Rights: aberto
Identifier DOI: 10.1103/PhysRevB.21.4154
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-4244000343&partnerID=40&md5=baa28d397b0620e7364af3b4979632e7
Date Issue: 1980
Appears in Collections:Unicamp - Artigos e Outros Documentos

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