Nonlocal control of the Kondo effect in a double quantum dot-quantum wire coupled system

S. Sasaki; S. Kang; K. Kitagawa; M. Yamaguchi; S. Miyashita; T. Maruyama; H. Tamura; T. Akazaki; Y. Hirayama; H. Takayanagi

doi:10.1103/PhysRevB.73.161303

Nonlocal control of the Kondo effect in a double quantum dot-quantum wire coupled system

S. Sasaki, S. Kang, K. Kitagawa, M. Yamaguchi, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, H. Takayanagi

Center for Science and Innovation in Spintronics (CSIS)

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

We have performed low-temperature transport measurements on a double quantum dot-quantum wire coupled device and demonstrated nonlocal 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 exchange interaction as the mechanisms responsible for the observed features.

Original language	English
Article number	161303
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	73
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.73.161303
Publication status	Published - 2006

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10.1103/PhysRevB.73.161303

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AU - Sasaki, S.

AU - Kang, S.

AU - Kitagawa, K.

AU - Yamaguchi, M.

AU - Miyashita, S.

AU - Maruyama, T.

AU - Tamura, H.

AU - Akazaki, T.

AU - Hirayama, Y.

AU - Takayanagi, H.

PY - 2006

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AB - We have performed low-temperature transport measurements on a double quantum dot-quantum wire coupled device and demonstrated nonlocal 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 exchange interaction as the mechanisms responsible for the observed features.

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Nonlocal control of the Kondo effect in a double quantum dot-quantum wire coupled system

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