Interactions, Localization, and the Integer Quantum Hall Effect

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.74.3229
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TypeArticle
Journal titlePhysical Review Letters
Volume74
Issue16
Pages32293232; # of pages: 4
AbstractWe report on numerical studies of the influence of Coulomb interactions on the localization of electronic wave functions in a strong magnetic field. Interactions are treated in the Hartree-Fock approximation. Localization properties are studied both by evaluating participation ratios of Hartree-Fock eigenfunctions and by studying the boundary-condition dependence of Hartree-Fock eigenvalues. We find that interactions have no effect on the critical exponent characterizing the diverging localization length, no effect on the fractal dimension of the second moment of the extended wave functions, and no effect on Thouless number estimates of the maximum dissipative conductivity.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12327568
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Record identifier81f26a6d-8083-4888-a609-2841a71d7175
Record created2009-09-10
Record modified2016-05-09
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