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Understanding the Josephson Current through a Kondo-Correlated Quantum Dot

✍ Scribed by Luitz, D. J.; Assaad, F. F.; Novotný, T.; Karrasch, C.; Meden, V.

Book ID
121722206
Publisher
The American Physical Society
Year
2012
Tongue
English
Weight
282 KB
Volume
108
Category
Article
ISSN
0031-9007

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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