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Type: Artigo de periódico
Title: Jahn-teller Effect In The Electronic Raman Scattering Of Co2+ In Mgo
Author: Peixoto L.T.
Foglio M.E.
Abstract: We employ a model with only a few phonon frequencies to describe the Jahn-Teller (JT) interaction. If the maximum occupation number for each phonon is small (a maximum of two in this work) the system Hamiltonian can be diagonalized numerically. After an adequate choice of the frequencies and JT coefficients of the model we compare the resulting intensity for electronic Raman scattering of Co2+:MgO with the linewidth calculated in another work [L. T. Peixoto and M. E. Foglio, Phys. Rev. B 32, 2596 (1985) in which Green's functions were truncated and a continuum of phonon frequencies was employed. The present calculation produces additional structure which also appears in the experimental spectrum. © 1986 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.33.2842
Date Issue: 1986
Appears in Collections:Unicamp - Artigos e Outros Documentos

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