Electron-spin-resonance modes and the Edwards-Anderson theory of the spin-glass state

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11 Scopus citations


It is shown that the ESR modes observed in Cu: Mn alloys can be explained in terms of an Edwards-Anderson-type theory for a spin-glass when an anisotropy energy is included. Unlike other theories, the present one involves the conventional form for this anisotropy, UK=Ksin2, where is the angle the local microscopic magnetization makes with the symmetry rather than equilibrium direction. The present theory is distinguished by a predicted, but as yet unobserved, angular dependence of single-crystal samples with axial symmetry.

Original languageEnglish (US)
Pages (from-to)1613-1616
Number of pages4
JournalPhysical Review Letters
Issue number22
StatePublished - 1981

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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