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Regensburg 2010 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 29: TR: Nanoelectronics I: Quantum Dots, Wires, Point Contacts 1

TT 29.9: Talk

Thursday, March 25, 2010, 11:45–12:00, H19

Transport properties of normal-quantum dot-superconductor hybrid structures — •Henning Soller and Andreas Komnik — Institut für Theoretische Physik, Philosophenweg 19, 69120 Heidelberg

We discuss the transport properties of a quantum dot coupled to normal as well as superconducting electrodes in the multi-terminal geometry. The system exhibits interesting effects already in the non-interacting case due to the energy-dependence of the superconducting density of states competing with the energy-dependent transmission through the resonant level. We analyze the full counting statistics of the system allowing for a possible inclusion of interactions and a magnetic field and provide explicit results for the current, noise and cross correlations.

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