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Effective charge of photons and plasmons

Published online by Cambridge University Press:  08 January 2010

J. T. MENDONÇA ,
A. SERBETO  and
S. ALI
J. T. MENDONÇA
Affiliation:
IPFN, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal (titomend@ist.utl.pt)
A. SERBETO
Affiliation:
Instituto de Física, Universidade Federal Fluminense, 24210-340, Rio de Janeiro, Brazil
S. ALI
Affiliation:
IPFN, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal (titomend@ist.utl.pt) National Centre for Physics, Shahdra Valley Road, Islamabad 44000, Pakistan (shahid_gc@yahoo.com)
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Abstract

We review the concept of photon effective charge in a plasma, and extend it to the case of longitudinal photons or plasmons. A simple electrostatic fluid model is considered in a non-magnetized and non-relativistic plasma. The contribution of the ions to the plasmon charge is also considered.

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References

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