The influence of beam boundaries and velocity reduction on Pierce instability in laboratory plasmas

D. Javanovic

The influence of beam boundaries and velocity reduction on Pierce instability in laboratory plasmas

D. Javanovic

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Abstract

The influences of the beam-plasma boundary and of weak nonlinearities on the Pierce instability are investigated. It is shown that the finite width of the beam has negligible influence on both the stability of the system and growth rate. In the nonlinear regime the wavelength decreases and enhancement of the wave potential close to the beam inlet boundary is observed. The relationship between this effect and the formation of double layers is discussed.

Original language	English

Place of Publication	Roskilde, Denmark
Publisher	Risø National Laboratory
Number of pages	34
ISBN (Print)	87-550-0796-1
Publication status	Published - 1982

Series	Risø-M
Number	2312
ISSN	0418-6435

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Risø-M-2312

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N2 - The influences of the beam-plasma boundary and of weak nonlinearities on the Pierce instability are investigated. It is shown that the finite width of the beam has negligible influence on both the stability of the system and growth rate. In the nonlinear regime the wavelength decreases and enhancement of the wave potential close to the beam inlet boundary is observed. The relationship between this effect and the formation of double layers is discussed.

AB - The influences of the beam-plasma boundary and of weak nonlinearities on the Pierce instability are investigated. It is shown that the finite width of the beam has negligible influence on both the stability of the system and growth rate. In the nonlinear regime the wavelength decreases and enhancement of the wave potential close to the beam inlet boundary is observed. The relationship between this effect and the formation of double layers is discussed.

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M3 - Report

SN - 87-550-0796-1

T3 - Risø-M

BT - The influence of beam boundaries and velocity reduction on Pierce instability in laboratory plasmas

PB - Risø National Laboratory

CY - Roskilde, Denmark

ER -

The influence of beam boundaries and velocity reduction on Pierce instability in laboratory plasmas

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