Photoluminescence fine structures in the fractional quantum Hall effect regime

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DOIResolve DOI: http://doi.org/10.1103/PhysRevB.89.115317
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TypeArticle
Journal titlePhysical Review B - Condensed Matter and Materials Physics
ISSN1098-0121
Volume89
Issue11
Article number115317
AbstractWe investigate polarization-resolved fine structure in the photoluminescence (PL) in the fractional quantum Hall effect regime at B=4-6 T, where small Zeeman energy allows spin-depolarized ground states. We observe up to five distinct peaks with characteristic polarization and temperature dependence in the vicinity of =1/3 and quenching of the PL from triplet charged quasiexcitons at around =1/4. Those findings appear to be consistent with results of exact diagonalization on a Haldane sphere including all spin configurations and are understood to be PL from fractionally charged quasiexcitons.
Publication date
PublisherAmerican Physical Society
LanguageEnglish
AffiliationNational Research Council Canada; Security and Disruptive Technologies
Peer reviewedYes
NPARC number21272686
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Record identifier919e0663-de66-4aab-888b-33f8af0700e6
Record created2014-12-03
Record modified2016-05-09
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