The dispersion relation for electrostatic fluctuations in weakly inhomogeneous plasmas

AUTOR(ES)

Silveira, O. J. G., Ziebell, L. F., Schneider, R. S., Gaelzer, R.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2004-12

RESUMO

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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