Random matrix theory of the proximity effect in disordered wires

M. Titov, Henning Schomerus

Type: Article

Publication Date: 2003-01-16

Citations: 5

DOI: https://doi.org/10.1103/physrevb.67.024410

Abstract

We study analytically the local density of states in a disordered normal-metal wire at ballistic distance to a superconductor. Our calculation is based on a scattering-matrix approach, which concerns for wave-function localisation in the normal metal, and extends beyond the conventional semiclassical theory based on Usadel and Eilenberger equations. We also analyse how a finite transparency of the NS interface modifies the spectral proximity effect and demonstrate that our results agree in the dirty diffusive limit with those obtained from the Usadel equation.

Locations

Physical review. B, Condensed matter - View
arXiv (Cornell University) - View - PDF
Lancaster EPrints (Lancaster University) - View - PDF
DataCite API - View

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