Semiconductor quantum dots in high magnetic fields

Gun Sang Jeon (), Chia-Chen Chang and Jainendra K. Jain

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 55, issue 3, 271-282

Abstract: We review and extend the composite fermion theory for semiconductor quantum dots in high magnetic fields. The mean-field model of composite fermions is unsatisfactory for the qualitative physics at high angular momenta. Extensive numerical calculations demonstrate that the microscopic CF theory, which incorporates interactions between composite fermions, provides an excellent qualitative and quantitative account of the quantum dot ground state down to the largest angular momenta studied, and allows systematic improvements by inclusion of mixing between composite fermion Landau levels (called Λ levels). Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 71.10.Pm Fermions in reduced dimensions (anyons; composite fermions; Luttinger liquid; etc.); 73.43.-f Quantum Hall effects (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2007-00060-4

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