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Type: Artigo de periódico
Title: Spin-liquid behavior in electronic Griffiths phases
Author: Tanaskovic, D
Dobrosavljevic, V
Miranda, E
Abstract: We examine the interplay of the Kondo effect and the RKKY interactions in electronic Griffiths phases using extended dynamical mean-field theory methods. We find that sub-Ohmic dissipation is generated for sufficiently strong disorder, leading to the suppression of Kondo screening on a finite fraction of spins, and giving rise to universal spin-liquid behavior.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.95.167204
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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