Resonant Andreev Tunneling in Strongly Interacting Quantum Dots

Details Resonant Andreev Tunneling in Strongly Interacting Quantum Dots Resonant Andreev Tunneling in Strongly Interacting Quantum Dots

1997-11-04

arxiv.org/abs/cond-mat/9711020v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13 pages Revtex, 3 figures .ps

Scientific paper

10.1103/PhysRevLett.80.2913

We study resonant Andreev tunneling through a strongly interacting quantum dot connected to a normal and to a superconducting lead. We obtain a formula for the Andreev current and apply it to discuss the linear and non-linear transport in the nonperturbative regime, where the effects of the Kondo resonance on the two particle tunneling arise. In particular we notice an enhancement of the Kondo anomaly in the $I-V$ characteristics due to the superconducting electrode.

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