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26 April 2024 |
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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. E. Yang
; | | Date: |
28 May 2003 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | 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. | | Source: | arXiv, cond-mat/0305642 | | Other source: | [GID 484440] pmid14754077 | | Services: | Forum | Review | PDF | Favorites | |
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