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Electron Transport Through Double-Dot Aharonov-Bohm Interferometer in theKondo Regime

DINGGuo-Hui, YUANQing-Xin, XUBo-Wei

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Abstract

By applying the slave boson technique, we have studied the electron transport through double-dotAharonov-Bohm interferometer in the Kondo regime. For the system with symmetric quantum dots, the linear con-ductance is shown to be enhanced by Kondo effect, but it is suppressed in the deep dot level regime in the presence ofnonzero magnetic flux. The Aharonov Bohm oscillations of the conductance are also investigated.

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What this paper is about

By applying the slave boson technique, we have studied the electron transport through double-dotAharonov-Bohm interferometer in the Kondo regime. For the system with symmetric quantum dots, the linear con-ductance is shown to be enhanced by Kondo effect, but it is suppressed in the deep dot level regime in the presence ofnonzero magnetic flux. The Aharonov Bohm oscillations of the conductance are also investigated.

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Available abstract

By applying the slave boson technique, we have studied the electron transport through double-dotAharonov-Bohm interferometer in the Kondo regime. For the system with symmetric quantum dots, the linear con-ductance is shown to be enhanced by Kondo effect, but it is suppressed in the deep dot level regime in the presence ofnonzero magnetic flux. The Aharonov Bohm oscillations of the conductance are also investigated.

Key concepts: Slave boson, Physics, Quantum dot, Aharonov–Bohm effect, Interferometry, Kondo effect, Condensed matter physics, Electron

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