The effect of s-d exchange interaction on the nuclear spin relaxation in dilute alloys

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Abstract

The effect of s-d exchange interaction on the relaxation rate of host nuclear spins has been investigated in dilute magnetic alloys. The leading logarithmic corrections to the Korringa relaxation rate have been calculated together with some lower order logarithmic terms to avoid a divergence at the Kondo temperature (Tk). The obtained formulae are valid at and above Tk and in weak or strong magnetic fields (ωi≪T or ωi≫T, respectively, where ωi is the Larmor frequency of the impurity spin). In second order of the perturbation theory our result reproduces that obtained by Giovannini and Heeger apart from a numerical factor of the order of unity and from some contribution of order (J/e{open}f)2.

Original languageEnglish
Pages (from-to)195-207
Number of pages13
JournalZeitschrift für Physik
Volume238
Issue number3
DOIs
Publication statusPublished - Jun 1 1970

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy(all)

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