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Quantum dot in the Kondo regime coupled to superconductors.

Buitelaar, MR; Nussbaumer, T; Schönenberger, C; (2002) Quantum dot in the Kondo regime coupled to superconductors. Physical Review Letters , 89 (25) , Article 256801. 10.1103/PhysRevLett.89.256801. Green open access

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Abstract

The Kondo effect and superconductivity are both prime examples of many-body phenomena. Here we report transport measurements on a carbon nanotube quantum dot coupled to superconducting leads that show a delicate interplay between both effects. We demonstrate that the superconductivity of the leads does not destroy the Kondo correlations on the quantum dot when the Kondo temperature, which varies for different single-electron states, exceeds the superconducting gap energy.

Type: Article
Title: Quantum dot in the Kondo regime coupled to superconductors.
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.89.256801
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.89.256801
Language: English
URI: http://discovery.ucl.ac.uk/id/eprint/1366969
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