Low-temperature transport through a quantum dot coupled to two superconducting leads
T. I. Ivanov
DOI 10.1103/PhysRevB.59.169 · Physical Review B
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Abstract
We calculate the nonlinear dc conductance as well as the total current through a nonequilibrium quantum dot coupled to two superconducting leads. We show that the Kondo effect manifests itself in the appearence of two bound states inside the superconducting gap [−2Δ,2Δ] and discuss the influence of these bound states on the transport properties of the dot. The relation to the real systems is also briefly considered.
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