Optically Imaged Striped Domains of Nonequilibrium Electronic and Nuclear Spins in a Fractional Quantum Hall Liquid

Using photoluminescence microscopy enhanced by magnetic resonance, we visualize in real space both electron and nuclear polarization occurring in nonequilibrium fraction quantum Hall (FQH) liquids. We observe stripelike domain regions comprising FQH excited states which discretely form when the FQH...

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Bibliographic Details
Published inPhysical review letters Vol. 118; no. 7; p. 076802
Main Authors Moore, John N, Hayakawa, Junichiro, Mano, Takaaki, Noda, Takeshi, Yusa, Go
Format Journal Article
LanguageEnglish
Published United States 17.02.2017
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Summary:Using photoluminescence microscopy enhanced by magnetic resonance, we visualize in real space both electron and nuclear polarization occurring in nonequilibrium fraction quantum Hall (FQH) liquids. We observe stripelike domain regions comprising FQH excited states which discretely form when the FQH liquid is excited by a source-drain current. These regions are deformable and give rise to bidirectionally polarized nuclear spins as spin-resolved electrons flow across their boundaries.
ISSN:1079-7114
DOI:10.1103/physrevlett.118.076802