Analysis of non-Fermi-liquid behavior in dilute uranium alloy based on numerical renormalization group method

Y. Shimizu, O. Sakai, S. Suzuki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We investigate the low-energy excitations for the impurity Anderson model under the tetragonal crystalline electric field (CEF) of which the CEF ground state is non-Kramers doublet. When the hybridization is weak, the low-energy spectrum is explained by a combination of non-Fermi-liquid (NFL) and the local-Fermi-liquid fixed point Hamiltonians which are independent of each other. The NFL part at the low-energy fixed point has the same form as that of the two-channel-Kondo model. The hybridization for a Γ7 symmetry channel diminishes in the renormalization step, and the other two channels contribute to the NFL part at the low energy fixed point. The magnetization which has -In T dependence is calculated.

Original languageEnglish
Pages (from-to)316-318
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume177-181
Issue numberPART 1
DOIs
Publication statusPublished - 1998 Jan

Keywords

  • Actinides
  • Conformal field theory
  • Magnetization
  • Non-Fermi liquid
  • Renormalization group

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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