Josephson current through a molecular transistor in a dissipative environment

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We study the Josephson coupling between two superconductors through a single correlated molecular level, including Coulomb interaction on the level and coupling to a bosonic environment. All calculations are done to the lowest, i.e., the fourth, order in the tunneling coupling and we find a suppression of the supercurrent due to the combined effect of the Coulomb interaction and the coupling to environmental degrees of freedom. Both analytic and numerical results are presented.
Original languageEnglish
Article number224502
JournalPhysical Review B. Condensed Matter and Materials Physics
Publication statusPublished - 6 Dec 2005

ID: 72265