Breit interaction determination of muonic hyperfine anomalies: Large but not giant

Arthur J Freeman, M. Weinert, J. P. Desclaux, J. V. Mallow

Research output: Contribution to journalLetter

7 Citations (Scopus)


Muon-nuclear-hyperfine anomalies are determined from Breit interaction calculations based on unrestricted Dirac-Fock solutions which explicitly include all electrons and the negative muon. We obtain anomalies of a few (3) percent, which are much larger than corresponding Bohr-Weisskopf electron-nuclear anomalies, but are much smaller than the giant, ≈(36 ± 5)%, anomaly reported by Yamazaki et al. for μ-Pd+ vs. Rh. We suggest the possibility that interstitial μ-Pd+ was observed and that the small anomaly for substitutional μ-Pd+ may also be seen at higher temperatures.

Original languageEnglish
Pages (from-to)L1-L5
JournalJournal of Magnetism and Magnetic Materials
Issue number1
Publication statusPublished - Jan 1 1980


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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