For a spin-glass with nonmagnetic defects (n m 1/3l ≪ 1, where n m is the magnetic impurity concentration and l is the mean free path) an absorption function χ″(Ω) is derived. Three ranges of temperature and external magnetic field are considered. In the vicinity of the “transition” the value of ∫ χ″(Ω) dΩ is estimated as a function of temperature and field.
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Moukhin, S.I. Paramagnetic resonance in a “dirty” spin-glass. J Low Temp Phys 37, 219–230 (1979). https://doi.org/10.1007/BF00114068
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DOI: https://doi.org/10.1007/BF00114068