Conductance anomalies for normal-metal–insulator–superconductor contacts
Sungkit Yip
DOI 10.1103/PhysRevB.52.15504 · Physical Review B
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Abstract
This paper considers the conductance through a dirty junction between a normal conductor and a superconductor with an insulating barrier. It is shown that for large-barrier resistances there is a relative enhancement of the conductance near zero voltage, whereas for low-barrier resistance this anomaly appears at finite voltage.
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