Multiple Andreev Reflections in a Carbon Nanotube Quantum Dot

Abstract

We report resonant multiple Andreev relections in a multiwall carbon nanotube quantum dot coupled to superconducting leads. The position and magnitude of the subharmonic gap structure is found to depend strongly on the level positions of the single-electron states which are adjusted with a gate electrode. We discuss a theoretical model of the device and compare the calculated differential conductance with the experimental data. (pdf including figures, see: www.unibas.ch/phys-meso/Research/Papers/2003/MAR-MWNT.pdf)

pdf including figures, see: http://www.unibas.ch/phys-meso/Research/Papers/2003/MAR-MWNT.pdf

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• Revival of the Kondo effect
• A Quantum Dot in the Kondo Regime Coupled to Superconductors
• Multi-wall carbon nanotubes as quantum dots
• Resonant tunneling through a small quantum dot coupled to superconducting leads
• Tunneling through an Anderson impurity between superconductors
• Resonant multiple Andreev reflections in mesoscopic superconducting junctions

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