Coulomb Blockade in Superconducting Quantum Point Contacts
D. V. Averin
DOI 10.1103/PhysRevLett.82.3685 · Physical Review Letters
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Abstract
The amplitude of the Coulomb blockade oscillations is calculated for a single-mode Josephson junction with arbitrary electron transparency D. It is shown that a mechanism related to chiral anomaly completely suppresses the Coulomb blockade in ballistic junctions with D=1. At finite reflection probability, the suppression process is described quantitatively in terms of the Landau-Zener transition.
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