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Paper   IPM / P / 6760
School of Physics
  Title:   Plasmon Dispersion and Damping in Double-Layer Electron Systems
1.  B. Davoudi
2.  B. Tanatar
  Status:   Published
  Journal: Solid State Commun.
  No.:  2
  Vol.:  117
  Year:  2001
  Pages:   89-92
  Supported by:  IPM
We use dynamical local-field corrections to study the plasmon dispersion and damping in double-layer electron systems. The wave vector and frequency-dependent local-fields describing the exchange-correlation effects are obtained within the quantum version of self-consistent field approach. The calculated plasmon dispersions are modified by the dynamic local-fields at intermediate wave vectors (i.e.q  ∼ kF). The plasmons are damped outside the single-particle excitation region.

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