Superradiant Decay of Cyclotron Resonance of Two-Dimensional Electron Gases

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dc.citation.issueNumber4en_US
dc.citation.journalTitlePhysical Review Lettersen_US
dc.citation.volumeNumber113en_US
dc.contributor.authorZhang, Qien_US
dc.contributor.authorArikawa, Takashien_US
dc.contributor.authorKato, Eijien_US
dc.contributor.authorReno, John L.en_US
dc.contributor.authorPan, Weien_US
dc.contributor.authorWatson, John D.en_US
dc.contributor.authorManfra, Michael J.en_US
dc.contributor.authorZudov, Michael A.en_US
dc.contributor.authorTokman, Mikhailen_US
dc.contributor.authorErukhimova, Mariaen_US
dc.contributor.authorBelyanin, Alexeyen_US
dc.contributor.authorKono, Junichiroen_US
dc.date.accessioned2017-06-01T18:53:01Zen_US
dc.date.available2017-06-01T18:53:01Zen_US
dc.date.issued2014en_US
dc.description.abstractWe report on the observation of collective radiative decay, or superradiance, of cyclotron resonance (CR) in high-mobility two-dimensional electron gases in GaAs quantum wells using time-domain terahertz magnetospectroscopy. The decay rate of coherent CR oscillations increases linearly with the electron density in a wide range, which is a hallmark of superradiant damping. Our fully quantum mechanical theory provides a universal formula for the decay rate, which reproduces our experimental data without any adjustable parameter. These results firmly establish the many-body nature of CR decoherence in this system, despite the fact that the CR frequency is immune to electron-electron interactions due to Kohnﾒs theorem.en_US
dc.identifier.citationZhang, Qi, Arikawa, Takashi, Kato, Eiji, et al.. "Superradiant Decay of Cyclotron Resonance of Two-Dimensional Electron Gases." <i>Physical Review Letters,</i> 113, no. 4 (2014) American Physical Society: https://doi.org/10.1103/PhysRevLett.113.047601.en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.113.047601en_US
dc.identifier.urihttps://hdl.handle.net/1911/94751en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleSuperradiant Decay of Cyclotron Resonance of Two-Dimensional Electron Gasesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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