Abstract

The question of the residual resistivity of chemically pure metals which are mixtures of atoms of different isotopes is discussed. The question of the static displacements appearing near isotopic impurities due to differences in the zero-point vibrations is analyzed in a microscopic approach. It is shown that such static displacements have a significant influence on the residual resistivity ρr. Their contribution to ρr is far greater than the contribution due to differences in the dynamic elastic electron scattering amplitudes.

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