Abstract
The electrical resistivity of the metallic magnetic system with a periodic array of non-interacting localized spins has been calculated by employing the T-matrix formulation. It has been shown that only the spin-flip part of the T-matrix contributes to the resistivity. Within the Suhl and Wong approximation, our calculation shows that a resistivity maximum in the resistivity-temperature curve appears at low temperature. This result qualitatively explains the anomalous resistivity maxima in Pr x La 1- x Sn 3 and Tb x Y 1- x As. It can also be applied to interpretate the similar anomalous resistivity maxima in concentrated and diluted CeAl 3.
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