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Current and shot noise in superconducting junctions with a quantum dot in the Kondo regime

โœ Scribed by A. Golub; Y. Avishai; A.A. Zaikin

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
85 KB
Volume
18
Category
Article
ISSN
1386-9477

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Josephson current in a quantum dot in th
Josephson current in a quantum dot in the Kondo regime connected to two superconductors
โœ Gabriele Campagnano; Domenico Giuliano; Adele Naddeo; Arturo Tagliacozzo ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 408 KB

We apply a Gutzwiller-like variational technique to study Josephson conduction across a quantum dot with an odd number of electrons connected to two superconducting leads. Our method projects out all states on the dot but the Kondo singlet and is valid when Kondo correlations are dominant and no And