The Dispersion Relation for Electrostatic Fluctuations in Weakly Inhomogeneous Plasmas

Citation:
The Dispersion Relation for Electrostatic Fluctuations in Weakly Inhomogeneous Plasmas, Silveira, O. J. G., Ziebell L. F., Schneider R. S., and Gaelzer R. , Brazilian Journal of Physics, December, Volume 34, Number 4B, p.1638–1644, (2004)

Abstract:

We compare and discuss several approximations to the dispersion relation for electrostatic waves in inhomogeneous Plasmas, either obtained directly from Poisson?s equation, or from the dielectric constant obtained using a dielectric tensor derived using the plAne wave approximation, or from the dielectric constant derived using the effective dielectric tensor.

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