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Kondo effect and Josephson current through a quantum dot between two superconductors

✍ Scribed by Choi, Mahn-Soo; Lee, Minchul; Kang, Kicheon; Belzig, W.

Book ID
121711576
Publisher
The American Physical Society
Year
2004
Tongue
English
Weight
240 KB
Volume
70
Category
Article
ISSN
1098-0121

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✍ Gabriele Campagnano; Domenico Giuliano; Adele Naddeo; Arturo Tagliacozzo πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 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