Non-Fermi liquid behavior and Griffiths phase in f-electron compounds
A. H. Castro Neto, G. Castilla, B. A. Jones
Abstract
We study the interplay among disorder, RKKY and Kondo interactions in f-electron alloys. We argue that the non-Fermi liquid behavior observed in these systems is due to the existence of a Griffiths phase close to a quantum critical point. The existence of this phase provides a unified picture of a large class of materials. We also propose new experiments that can test these ideas.
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