Dynamic correlation effects on the plasmon dispersion in a two-dimensional electron gas

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buir.contributor.authorTanatar, Bilal
buir.contributor.orcidTanatar, Bilal|0000-0002-5246-0119
dc.citation.epage115308-6en_US
dc.citation.issueNumber11en_US
dc.citation.spage115308-1en_US
dc.citation.volumeNumber67en_US
dc.contributor.authorYurtsever, A.en_US
dc.contributor.authorMoldoveanu, V.en_US
dc.contributor.authorTanatar, Bilalen_US
dc.date.accessioned2016-02-08T10:30:33Z
dc.date.available2016-02-08T10:30:33Z
dc.date.issued2003en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractThe charge-density oscillations (plasmons) of a low-density two-dimensional uniform electron gas are studied within the framework of finite temperature and frequency dependent (dynamic) version of Singwi, Tosi, Land, and Sjölander theory and compared with the recent experimental results. The use of the Hartree-Fock approximation for the static structure factor leads to a finite temperature dynamical counterpart of the static Hubbard approximation. We observe important differences between dynamic and static local-field factors as well as between the corresponding plasmon dispersion laws. Our calculated plasmon energies that include dynamic correlations are in very-good agreement with the recent experimental results.en_US
dc.identifier.issn0163-1829
dc.identifier.urihttp://hdl.handle.net/11693/24518
dc.language.isoEnglishen_US
dc.publisherThe American Physical Societyen_US
dc.source.titlePhysical Review B - Condensed Matter and Materials Physicsen_US
dc.subjectAnalytic methoden_US
dc.subjectChemical structureen_US
dc.subjectCorrelation analysisen_US
dc.subjectDispersionen_US
dc.subjectElectronen_US
dc.subjectGasen_US
dc.subjectIntermethod comparisonen_US
dc.subjectMathematical analysisen_US
dc.subjectMolecular dynamicsen_US
dc.subjectOscillationen_US
dc.subjectTheoryen_US
dc.subjectThermodynamicsen_US
dc.titleDynamic correlation effects on the plasmon dispersion in a two-dimensional electron gasen_US
dc.typeArticleen_US
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