Abstract
The resistance due to impurity potential scattering and spin-disorder scattering are additive in simple Born approximation. If the impurity scattering is calculated generally by a Green function or phase shift analysis it is also found to affect the spin-disorder scattering because of the modification of the local charge density. This is calculated using the previous Green function method when the spin scattering is derived to second order both for spin-ordered and spin-disordered systems. It is also calculated for spin effects in third order (Kondo effect) in the spin-disordered case. It is found that the spin resistivity is markedly affected in magnitude and in sign if a resonance is caused by the impurity potential near the Fermi energy.
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