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22 October 2021
  » arxiv » cond-mat/9409047

 Article overview

Quantum Properties of an Andreev Phase Gradiometer
P Cook ; V C Hui ; C J Lambert ;
Date 12 Sep 1994
Subject cond-mat
AbstractA new class of nano-structure devices is suggested, based on interference from the order parameter phase gradient of a single superconductor (S) in contact with a single normal metallic lead (N). By solving the Bogoliubov - de Gennes equation in two dimensions, it is demonstrated that the electrical conductance of a normal conductor of width $M$ in contact with a superconductor will oscillate as the phase gradient $v$ at 90$^0$ to the interface is increased. This effect is enhanced by the presence of a Schottky barrier at the interface and is also present in $N-S-N$ structures.
Source arXiv, cond-mat/9409047
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