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Type: Artigo de evento
Title: An Rkky-induced Dimerized Phase Of The Kondo Lattice Model
Author: Miranda E.
Xavier J.C.
Abstract: We clarify the nature of the dimerized ground state found in the one-dimensional Kondo lattice model at quarter conduction electron filling. The conduction electrons mediate, through the RKKY mechanism, the long-range interactions among localized spins necessary to induce dimerization in that sub-system. On the other hand, the feedback of the local moments on the conduction electron fluid does not induce dimerization in the latter, whose spin sector remains gapless. The same feedback, however, is able to open a charge gap. © 2004 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physc.2004.02.161
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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