Crystal field triplets: A new route to non-Fermi-liquid physics

Mikito Koga, G. Zaránd, Daniel L. Cox

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A model for crystal field triplet ground states of rare earth or actinide ions with dipolar and quadrupolar couplings to conduction electrons is studied for the first time with renormalization group methods. The quadrupolar coupling leads to a new nontrivial, non-Fermi-liquid fixed point, which survives in an intermediate valence Anderson model. The calculated magnetic susceptibility displays one parameter scaling, going as T (α ≈ 0.4) at intermediate temperatures, reminiscent of the non-Fermi-liquid alloy UCu5-xPdx.

Original languageEnglish
Pages (from-to)2421-2424
Number of pages4
JournalPhysical Review Letters
Volume83
Issue number12
Publication statusPublished - Sep 20 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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