Plasmons and the spectral function of graphene (Articolo in rivista)

Type
Label
  • Plasmons and the spectral function of graphene (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Polini, M; Asgari, R; Borghi, G; Barlas, Y; Pereg-Barnea, T; MacDonald, AH (2008)
    Plasmons and the spectral function of graphene
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Polini, M; Asgari, R; Borghi, G; Barlas, Y; Pereg-Barnea, T; MacDonald, AH (literal)
Pagina inizio
  • 081411 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 77 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Polini, Marco; Borghi, Giovanni] NEST CNR INFM, I-56126 Pisa, Italy; [Polini, Marco; Borghi, Giovanni] Scuola Normale Super Pisa, I-56126 Pisa, Italy; [Asgari, Reza] Sch Phys, Inst Studies Theoret Phys & Math, Tehran 193955531, Iran; [Barlas, Yafis; Pereg-Barnea, T.; MacDonald, A. H.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA (literal)
Titolo
  • Plasmons and the spectral function of graphene (literal)
Abstract
  • We report a theoretical study of the influence of electron-electron interactions on the one-particle Green's function of a doped graphene sheet based on the random-phase approximation and on graphene's massless Dirac equation continuum model. We find that states near the Dirac point interact strongly with plasmons with a characteristic frequency omega(star)(pl) that scales with the sheet's Fermi energy and depends on its interaction coupling constant alpha(gr), partially explaining prominent features of recent angle-resolved photoemission spectroscopy data. (literal)
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