Giant Josephson current through a single bound state in a superconducting tunnel junction

Preprint

25 October 1995

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9510140

Abstract

We study the microscopic structure of the Josephson current in a single-mode tunnel junction with a wide quasiclassical tunnel barrier. In such a junction each Andreev bound state carries a current of magnitude proportional to the {\em amplitude} of the normal electron transmission through the junction. Tremendous enhancement of the bound state current is caused by the resonance coupling of superconducting bound states at both superconductor-insulator interfaces of the junction. The possibility of experimental observation of the single bound state current is discussed.

Keywords

MICROSCOPIC STRUCTURE
RESONANCE COUPLING
SINGLE BOUND STATE
JOSEPHSON CURRENT
SUPERCONDUCTING
SUPERCONDUCTOR
INTERFACES

All Related Versions

Version 1, 1995-10-25, ArXiv
Published version: Physical Review B, 53 (10), R6006.

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