Journal
PHYSICAL REVIEW B
Volume 81, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.121308
Keywords
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Funding
- Japan Society for the Promotion of Science [P07328]
- Special Researchers Program of RIKEN
- [19104007]
- [18340081]
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We study transport in self-assembled InAs quantum dots contacted with one superconducting and one normal-metal electrode. Low bias transport is dominated by Andreev processes which are sensitive to local correlations such as electron-electron interaction and the Kondo effect. We identify that, for appropriate tunnel coupling with normal and superconducting leads, Andreev transport is enhanced by the Kondo effect and that the Kondo temperature is reduced relative to the normal state due to lack of low-energy excitations with the superconducting lead.
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