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Paper   IPM / Nano-Sciences / 12699
School of Nano Science
  Title:   Fast electron beam-plasma interaction in single-walled carbon nanotubes
  Author(s):  Afshin Moradi
  Status:   Published
  Journal: App. Phys. B
  No.:  1
  Vol.:  111
  Year:  2013
  Pages:   6
  Publisher(s):   Springer-Verlag Berlin Heidelberg
  Supported by:  IPM
A theoretical study on the plasmon-polariton modes coupled with a fast electron beam inside a metallic single-walled carbon nanotube is presented. The Maxwell's equations coupled with a linearized hydrodynamic model for the nanotube's charge oscillations are used. By considering the electron beam effects, general expression of dispersion relation of electromagnetic modes on nanotube's surface is obtained. It is shown numerically that by considering the electron beam effects, the polariton frequency shifts to lower values.

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