Excitation spectra of two impurity Anderson model

O. Sakai, Y. Shimizu, T. Kasuya

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)

Abstract

Magnetic and single particle excitation spectra of the two impurity Anderson model are calculated based on the numerical renormalization method. The direct f-f hoping or the realistic c-f hybridization terms cause the splitted Kondo peaks corresponding to the even and odd parity channels. The antiferromagnetic fluctuation of local spin pair shows softening when it has weak antiferromagnetic coupling. This softening, and the divergence of the staggered susceptibility previously pointed out by Jones et al. are suppressed by the parity splitting.

Original languageEnglish
Pages (from-to)81-87
Number of pages7
JournalSolid State Communications
Volume75
Issue number2
DOIs
Publication statusPublished - 1990 Jul

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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