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The European Physical Journal B

, Volume 55, Issue 3, pp 271–282 | Cite as

Semiconductor quantum dots in high magnetic fields

The composite-fermion view
  • Gun Sang Jeon
  • Chia-Chen Chang
  • Jainendra K. Jain
Mesoscopic and Nanoscale Systems

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).

PACS.

71.10.Pm Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.) 73.43.-f Quantum Hall effects 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • Gun Sang Jeon
    • 1
    • 2
  • Chia-Chen Chang
    • 1
  • Jainendra K. Jain
    • 1
  1. 1.Department of Physics104 Davey Laboratory, The Pennsylvania State UniversityUniversity ParkUSA
  2. 2.Department of Physics and AstronomySeoul National UniversitySeoulKorea

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