Localization and Interaction Effects in Weakly Localized Region in Aluminum Films

概要

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The temperature and magnetic field dependence of the electrical conductanceo in thin granular-aluminum films has been measured in the temperature range4.2-35 K above the superconducting transition temperature. The temperaturedependence of conductance o in zero magnetic field has been compared with atheory including the higher order contribution of the interaction, by evaluatingthe localization term from the analyses of the magnetoconductance. The o in zerofield agrees with the theory in a temperature of minimum conductance and inthe temperature dependence at high temperatures, with a reasonable value of theaverage matrix element of the Coulomb interaction.
社団法人日本物理学会の論文
1984-10-15