Abstract
A model calculation of the spontaneous magnetization of nickel is performed, within an effective mass approximation and using different definitions for the effective interaction among the 3d holes. The basic formula used for the effective hole-hole interaction is obtained from two particles scattering theory. The present results, when compared to previous ones, show a definite dependence of higher-order many-body corrections to the effective interaction on the band structure. A unifying discussion of earlier estimates of the magnetization dependence of the effective interaction is also given in the light of the scattering properties for two holes.
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