Electron-acoustic solitary waves in a nonextensive plasma

The problem of arbitrary amplitude electron-acoustic solitary waves (EASWs) in a plasma having cold fluid electrons, hot nonextensive electrons, and stationary ions is addressed. It is found that the "Maxwellianization" process of the hot nonextensive component does not favor the propagati...

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Bibliographic Details
Published in:Physics of plasmas 2010-12, Vol.17 (12), p.124502-124502-3
Main Authors: Tribeche, Mouloud, Djebarni, Lyes
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
AMPLITUDES
ION ACOUSTIC WAVES
ION WAVES
NONLINEAR PROBLEMS
PLASMA
PLASMA WAVES
QUASI PARTICLES
SOLITONS
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Summary:The problem of arbitrary amplitude electron-acoustic solitary waves (EASWs) in a plasma having cold fluid electrons, hot nonextensive electrons, and stationary ions is addressed. It is found that the "Maxwellianization" process of the hot nonextensive component does not favor the propagation of the EASWs. In contrast to superthermality, nonextensivity makes the electron-acoustic solitary structure less spiky. Our theoretical analysis brings a possibility to develop more refined theories of nonlinear solitary structures in astrophysical plasmas.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.3522777