Abstract

Abstract The contribution of electron-electron Umklapp scattering processes in the electrical resistivity of sodium, potassium, rubidium, and cesium at low temperatures has been evaluated using a simplified spherical Fermi surface model with an isotropic transition probability. Our values of the electrical resistivity so obtained compare fairly well with the recent experimental results for sodium, potassium, and rubidium. Our results also compare fairly well with the other available data in the literature.

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