Coulomb blockade and Kondo effect in a quantum hall antidot

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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.
Publisher
AMERICAN PHYSICAL SOC
Issue Date
2003
Language
English
Article Type
Article
Keywords

STRONG MAGNETIC-FIELDS; ANDERSON MODEL; RENORMALIZATION-GROUP; OSCILLATIONS; TRANSPORT; DOTS; REGIME

Citation

PHYSICAL REVIEW LETTERS, v.91, no.26

ISSN
0031-9007
DOI
10.1103/PhysRevLett.91.266801
URI
http://hdl.handle.net/10203/20374
Appears in Collection
PH-Journal Papers(저널논문)
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