Non-local Control of the Kondo Effect in a Double Quantum Dot-Quantum Wire Coupled System

Details Non-local Control of the Kondo Effect in a Double Quantum Dot-Quantum Wire Coupled System Non-local Control of the Kondo Effect in a Double Quantum Dot-Quantum Wire Coupled System

2006-02-16

arxiv.org/abs/cond-mat/0602373v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.73.161303

We have performed low-temperature transport measurements on a double quantum dot-quantum wire coupled device and demonstrated non-local control of the Kondo effect in one dot by manipulating the electronic spin states of the other. We discuss the modulation of the local density of states in the wire region due to the Fano-Kondo antiresonance, and the Ruderman-Kittel-Kasuya-Yoshida (RKKY) exchange interaction as the mechanisms responsible for the observed features.

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