Abstract

Neutron diffraction experiments in Cu 1− Mn x alloys indicate the presence of spin-density-wave domains with wave vector magnitude ⋍ 2k F(k F = Fermi wave vector of Cu) and coherence length ⋍ 11 FCC unit cells. These results cannot be explained by the usual RKKY interaction between solute moments. We study a model form of the conduction electron spin susceptibility which predicts (i) formation of SDW domains, (ii) concentration scaling laws for local field distribution a3d specific heat, and (iii) power law increase of the nonlinear susceptibility above T c .

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