Determining Transport Parameters for Superconductor/Normal Metal Point Contacts in an Applied Magnetic Field from Conductance versus Field Data at Fixed Temperature

ORAL

Abstract

Superconductor/normal metal point contact transport data often consists of normalized conductance as a function of reduced temperature, from which the elastic scattering parameter and the inelastic scattering parameter for the contact can be determined, in addition to other features of interest. We show a strategy for determining these parameters from normalized conductance as a function of reduced applied magnetic field, at fixed temperature, even when conductance versus variable temperature data is absent. This analysis strategy will be demonstrated for several point contacts, over a wide range of parameter values.

Authors

  • Paul J. Dolan, Jr.

    Northeastern Illinois University

  • Charles W. Smith

    University of Maine