Dispersion and Line Shape of Plasmon Satellites in One, Two, and Three Dimensions: Article No. 235446

Derek Vigil-Fowler, Steven Louie, Johannes Lischner

Research output: Contribution to journalArticlepeer-review

17 Scopus Citations

Abstract

Using state-of-the-art many-body Green's function calculations based on the GW plus cumulant approach, we analyze the properties of plasmon satellites in the electron spectral function resulting from electron-plasmon interactions in one-, two-, and three-dimensional systems. Specifically, we show how their dispersion relation, line shape, and linewidth are related to the properties of the constituent electrons and plasmons. To gain insight into the many-body processes giving rise to the formation of plasmon satellites, we connect the GW plus cumulant approach to a many-body wave-function picture of electron-plasmon interactions and introduce the coupling-strength-weighted electron-plasmon joint density states as a powerful concept for understanding plasmon satellites.
Original languageAmerican English
Number of pages5
JournalPhysical Review B
Volume93
Issue number23
DOIs
StatePublished - 2016

NREL Publication Number

  • NREL/JA-5K00-66821

Keywords

  • electrons
  • plasmon satellites
  • plasmons

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