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Equivalent charge of photons in a very dense quantum plasma

Published online by Cambridge University Press:  01 February 2008

L. A. RIOS  and
P. K. SHUKLA
L. A. RIOS
Affiliation:
Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-44780 Bochum, Germany ([email protected])
P. K. SHUKLA
Affiliation:
Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-44780 Bochum, Germany ([email protected]) School of Physics, University of KwaZulu-Natal, Durban 4000, South Africa
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Abstract

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The equivalent charge of photons in dense unmagnetized and magnetized Fermi plasmas is determined through the plasma physics method. This charge is associated with the polarization of the medium caused by the ponderomotive force of the electromagnetic waves. Relations for the coupling between the electron plasma density perturbation and the radiation fields are derived for unmagnetized and magnetized plasmas, taking into account the quantum force associated with the quantum Bohm potential in dense Fermi plasmas. The effective photon charge is then determined. The effects of the ion motion are also included in the investigation.

Type
Letter to the Editor
Information
Journal of Plasma Physics , Volume 74 , Issue 1 , February 2008 , pp. 1 - 7
Copyright
Copyright © Cambridge University Press 2007

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