Magnetoconductance near Superconducting Transition Temperature of Aluminum Films

概要

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In the wide range of the magnetic field, the magnetoconductance in thin Al filmsagrees well with the theory of Santos and Abrahams and also of Maekawa, extendingLarkin's theory to higher magnetic fields at temperatures slightly above superconduc-ting transition temperature T.. The inelastic scattering rate I7r.. obtained frommagnetoconductance measurements increases rapidly with decreasing temperaturenear T.. The pair-breaking parameter (>, which is deduced from the measurementsand related to the 1 / 'in>implies the temperature dependence shown by Patton andalso Keller and Korenman. It is about the half of that estimated from the Maki-Thompson contribution to the excess conductance due to fluctuations at zeromagnetic field.
社団法人日本物理学会の論文
1986-07-15