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Effect of magnetic pair breaking on Andreev bound states and resonant supercurrent in quantum dot Josephson junctions

URN to cite this document:
Tkachov, Grygoriy ; Richter, Klaus
PDF - Published Version
PDF - Accepted Version
arXiv PDF (01.02.2007)
PDF - Draft Version
arXiv PDF (07.09.2006)
Date of publication of this fulltext: 05 Aug 2009 13:35


We propose a model for resonant Josephson tunneling through quantum dots that accounts for Cooper pair-breaking processes in the superconducting leads caused by a magnetic field or spin-flip scattering. The pair-breaking effect on the critical supercurrent I_c and the Josephson current-phase relation I(φ) is largely due to the modification of the spectrum of Andreev bound states below the reduced ...


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