Simple fit to the ground-state energy of the two-dimensional electron gas in the fractional quantum Hall regime

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DOIResolve DOI: http://doi.org/10.1103/PhysRevB.51.1653
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TypeArticle
Journal titlePhysical review. B, Condensed matter and materials physics
Volume51
Issue3
Pages16531657; # of pages: 5
AbstractWe present a parametrization of the ground-state energy Eg(ν) of the two-dimensional electron gas as a function of the filling factor ν, in the fractional quantum Hall regime for the lowest Landau level. The cusp structure is included via an approximate model of the quasiparticle energies μ±(ν) at the cusps. The parametrization depends only on a single parameter fitted to the known Eg at ν=1/3. The energy functional is useful in density-functional calculations for inhomogeneous systems and for approximate predictions of Eg, μ±(ν) at values of ν for which more fundamental calculations are not available.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12338073
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Record identifier5eff8abe-9bfd-4b23-a65b-2ec8703953d4
Record created2009-09-10
Record modified2016-05-09
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