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Electrostatic theory for imaging experiments on local charges in quantum Hall systems | Ana L. C. Pereira
; J. T. Chalker
; | Date: |
12 Feb 2005 | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | Abstract: | We use a simple electrostatic treatment to model recent experiments on quantum Hall systems, in which charging of localised states by addition of integer or fractionally-charged quasiparticles is observed. Treating the localised state as a compressible quantum dot or antidot embedded in an incompressible background, we calculate the electrostatic potential in its vicinity as a function of its charge, and the chemical potential values at which its charge changes. The results offer a quantitative framework for analysis of the observations. | Source: | arXiv, cond-mat/0502304 | Services: | Forum | Review | PDF | Favorites |
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