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The European Physical Journal Special Topics

, Volume 148, Issue 1, pp 5–13 | Cite as

Band structure and many body effects in graphene

  • A. Bostwick
  • T. Ohta
  • J. L. McChesney
  • T. Seyller
  • K. Horn
  • E. RotenbergEmail author
Article

Abstract.

We have determined the electronic bandstructure of clean and potassium-doped single layer graphene, and fitted the graphene π bands to a one- and three-near-neighbor tight binding model. We characterized the quasiparticle dynamics using angle resolved photoemission spectroscopy. The dynamics reflect the interaction between holes and collective excitations, namely plasmons, phonons, and electron-hole pairs. Taking the topology of the bands around the Dirac energy for n-doped graphene into account, we compute the contribution to the scattering lifetimes due to electron-plasmon and electron phonon coupling.

Keywords

European Physical Journal Special Topic Potassium Atom Band Dispersion Angle Resolve Photoemission Spectroscopy Plasmon Dispersion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • A. Bostwick
    • 1
  • T. Ohta
    • 1
    • 2
  • J. L. McChesney
    • 1
    • 3
  • T. Seyller
    • 4
  • K. Horn
    • 2
  • E. Rotenberg
    • 1
    Email author
  1. 1.Advanced Light Source, E.O. Lawrence Berkeley National LaboratoryBerkeleyUSA
  2. 2.Department of Molecular PhysicsFritz-Haber-Institut der Max-Planck-GesellschaftBerlinGermany
  3. 3.Department of PhysicsMontana State UniversityBozemanUSA
  4. 4.Institut für Physik der Kondensierten Materie, Lehrstuhl für Technische Physik, Universität Erlangen-NürnbergErlangenGermany

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