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New Collective Mode in the Fractional Quantum Hall Liquid

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http://hdl.handle.net/10355/7736
dc.contributor.authorTokatly, I. V.eng
dc.contributor.authorVignale, Giovanni, 1957-eng
dc.date.issued2007eng
dc.descriptionURL:http://link.aps.org/doi/10.1103/PhysRevLett.98.026805 DOI:10.1103/PhysRevLett.98.026805eng
dc.description.abstractWe apply the methods of continuum mechanics to the study of the collective modes of the fractional quantum Hall liquid. Our main result is that at long-wavelength, there are two distinct modes of oscillations, while previous theories predicted only one. The two modes are shown to arise from the internal dynamics of shear stresses created by the Coulomb interaction in the liquid. Our prediction is supported by recent light scattering experiments, which report the observation of two long-wavelength modes in a quantum Hall liquid.eng
dc.description.sponsorshipThis work was supported by NSF Grant No. DMR- 0313681.eng
dc.identifier.citationPhys. Rev. Lett. 98, 026805 (2007) [4 pages]eng
dc.identifier.issn0031-9007eng
dc.identifier.urihttp://hdl.handle.net/10355/7736eng
dc.languageEnglisheng
dc.publisherAmerican Physical Societyeng
dc.relation.ispartofcollectionUniversity of Missouri--Columbia. College of Arts and Sciences. Department of Physics and Astronomy. Physics and Astronomy publicationseng
dc.subjectelectron states and collective excitations in multilayerseng
dc.subjectmesoscopic and nanoscale systemseng
dc.subject.lcshElectron configurationeng
dc.subject.lcshCollective excitationseng
dc.subject.lcshThin films, Multilayeredeng
dc.subject.lcshQuantum wellseng
dc.subject.lcshLight -- Scatteringeng
dc.titleNew Collective Mode in the Fractional Quantum Hall Liquideng
dc.typeArticleeng


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