The effect of plastic deformation on the electrical resistivity of pure potassium and a potassium-rubidium alloy below 1K

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Abstract
Experiments on potassium and K-0.077 at.% Rb strained at 60K indicate the presence of a new temperature-dependent scattering mechanism at T approximately 0.25K. The authors ascribe this to inelastic scattering of vibrating dislocations. At the same time the suppression of phonon drag at higher temperatures results in the emergence of the normal electron-phonon term T5. Both these effects obscure the effect of dislocations on the electron-electron scattering term AT2.