Coulomb Blockade and Kondo Effect in a Quantum Hall Antidot

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, h/(2e) Aharonov-Bohm oscillations, and the Kondo effect. The resultant conductance is in qualitative agreement with recent experimental data.

arXiv comment3 figures, to appear in Physical Review Letters

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Cited by in corpus (10)

• Coulomb Oscillations in Antidots in the Integer and Fractional Quantum Hall Regimes
• Electron interactions in an antidot in the integer quantum Hall regime
• Electron-electron interactions in antidot-based Aharonov-Bohm interferometers
• Imaging backscattering through impurity-induced antidots in quantum Hall constrictions
• Hole maximum density droplets of an antidot in strong magnetic fields
• Spectator Behavior in a Quantum Hall Antidot with Multiple Bound Modes
• Capacitive interaction model for Aharonov-Bohm effects of a quantum Hall antidot
• Orbital Kondo effect in fractional quantum Hall systems
• Spin-Resolved Edge States around an Antidot in the Vicinity of the $\nu =2$ Quantum Hall State
• Stepped Graphene-based Aharonov-Bohm Interferometers