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Koerting V, Wölfle P, Paaske J. Transconductance of a double quantum dot system in the Kondo regime. Phys Rev Lett. 2007;99(3):036807doi: 10.1103/PhysRevLett.99.036807.
Koerting, V., Wölfle, P., & Paaske, J. (2007). Transconductance of a double quantum dot system in the Kondo regime. Physical review letters, 99(3), 036807. https://doi.org/10.1103/PhysRevLett.99.036807
Koerting, V, et al. "Transconductance of a double quantum dot system in the Kondo regime." Physical review letters vol. 99,3 (2007): 036807. doi: https://doi.org/10.1103/PhysRevLett.99.036807
Koerting V, Wölfle P, Paaske J. Transconductance of a double quantum dot system in the Kondo regime. Phys Rev Lett. 2007 Jul 20;99(3):036807. doi: 10.1103/PhysRevLett.99.036807. Epub 2007 Jul 20. PMID: 17678313.
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Phys Rev Lett. 2007 Jul 20;99(3):036807. doi: 10.1103/PhysRevLett.99.036807. Epub 2007 Jul 20.

Transconductance of a double quantum dot system in the Kondo regime.

Physical review letters

V Koerting, P Wölfle, J Paaske

Affiliations

  1. Institut für Theorie der Kondensierten Materie, Universität Karlsruhe, D-76128 Karlsruhe, Germany. [email protected]

PMID: 17678313 DOI: 10.1103/PhysRevLett.99.036807

Abstract

We consider a lateral double-dot system in the Coulomb blockade regime with a single spin-1/2 on each dot, mutually coupled by an antiferromagnetic exchange interaction. Each of the two dots is contacted by two leads. We demonstrate that the voltage across one of the dots will have a profound influence on the current passing through the other dot. Using poor man's scaling, we find that the Kondo effect can lead to a strong enhancement of this transconductance.

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