Exchange interaction in chirally coupled quantum dots

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Tutuc, Daniel; Heine, Alexander W.; Schuh, Dieter; Wegscheider, Werner; Haug, Rolf J.: Exchange interaction in chirally coupled quantum dots. In: Journal of Physics Conference Series 456 (2013), UNSP 012014. DOI: http://dx.doi.org/10.1088/1742-6596/456/1/012014

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Sum total of downloads: 173




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Abstract: 
We present transport measurements on a system of two lateral quantum dots in a perpendicular magnetic field. Due to edge channel formation in an open conducting region, the quantum dots are chirally coupled. When both quantum dots are tuned into the Kondo regime simultaneously, we observe a change in the temperature dependence of the differential conductance. This is explained by the RKKY exchange interaction between the two dots. As a function of bias the differential conductance shows a splitting of the Kondo resonance which changes in the presence of RKKY interaction.
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2013
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 143 82.66%
2 image of flag of United States United States 10 5.78%
3 image of flag of No geo information available No geo information available 3 1.73%
4 image of flag of France France 3 1.73%
5 image of flag of China China 3 1.73%
6 image of flag of Russian Federation Russian Federation 2 1.16%
7 image of flag of Denmark Denmark 2 1.16%
8 image of flag of Venezuela Venezuela 1 0.58%
9 image of flag of Finland Finland 1 0.58%
10 image of flag of Brazil Brazil 1 0.58%
    other countries 4 2.31%

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