Coulomb blockade and kondo effect in a quantum hall antidot

H. S. Sim; M. Kataoka; Hangmo Yi; N. Y. Hwang; M. S. Choi; S. R.Eric Yang

doi:10.1103/PhysRevLett.91.266801

Coulomb blockade and kondo effect in a quantum hall antidot

H. S. Sim, M. Kataoka, Hangmo Yi, N. Y. Hwang, M. S. Choi, S. R.Eric Yang

Department of Physics

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

16 Citations (Scopus)

Abstract

We propose a general capacitive model for an antidot, which has two localized edge states with different spins in the quantum Hall regime. The capacitive coupling of localized excess charges, which are generated around the antidot due to magnetic flux quantization, and their effective spin fluctuation can result in Coulomb blockade, [Formula presented] Aharonov-Bohm oscillations, and the Kondo effect. The resultant conductance is in qualitative agreement with recent experimental data.

Original language	English
Journal	Physical review letters
Volume	91
Issue number	26
DOIs	https://doi.org/10.1103/PhysRevLett.91.266801
Publication status	Published - 2003

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Choi, M. S.

AU - Yang, S. R.Eric

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