A Novel Treatment of the Josephson Effect

A new picture of the Josephson effect is devised. The radio-frequency (RF) signal, observed in a Josephson junction, is shown to stem from bound electrons, tunneling periodically through the insulating film. This holds also for the microwave-mediated tunneling. The Josephson effect is found to be co...

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Bibliographic Details
Published in:Journal of superconductivity and novel magnetism 2022, Vol.35 (1), p.65-72
Main Authors: Szeftel, Jacob, Sandeau, Nicolas, Ghantous, Michel Abou
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Condensed Matter
Condensed Matter Physics
Magnetic Materials
Magnetism
Original Paper
Physics
Physics and Astronomy
Strongly Correlated Systems
Superconductivity
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Summary:A new picture of the Josephson effect is devised. The radio-frequency (RF) signal, observed in a Josephson junction, is shown to stem from bound electrons, tunneling periodically through the insulating film. This holds also for the microwave-mediated tunneling. The Josephson effect is found to be conditioned by the same prerequisite worked out previously for persistent currents, thermal equilibrium and occurrence of superconductivity. The observed negative resistance behaviour is shown to originate from the interplay between normal and superconducting currents.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-021-06037-z