Nonlinear propagation of small-amplitude modified electron acoustic solitary waves and double layer in semirelativistic plasmas

Journal Article · Sat Oct 01 00:00:00 EDT 1994 · Physics of Plasmas; (United States)

DOI:https://doi.org/10.1063/1.870472· OSTI ID:6641159

Sah, O P; Goswami, K S ^[1]

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1. Centre of Plasma Physics, Saptaswahid Path, Dispur, Guwahati-781 006 (India)

Considering an unmagnetized plasma consisting of relativistic drifting electrons and nondrifting thermal ions and by using reductive perturbation method, a usual Korteweg--de Vries (KdV) equation and a generalized form of KdV equation are derived. It is found that while the former governs the dynamics of a small-amplitude rarefactive modified electron acoustic (MEA) soliton, the latter governs the dynamics of a weak compressive modified electron acoustic double layer. The influences of relativistic effect on the propagation of such a soliton and double layer are examined. The relevance of this investigation to space plasma is pointed out.

• OSTI ID: 6641159
• Journal Information: Physics of Plasmas; (United States), Vol. 1:10; ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
RELATIVISTIC PLASMA
ELECTRON DRIFT
SOLITONS
COLLISIONLESS PLASMA
ION ACOUSTIC WAVES
KORTEWEG-DE VRIES EQUATION
PERTURBATION THEORY
DIFFERENTIAL EQUATIONS
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ION WAVES
PARTIAL DIFFERENTIAL EQUATIONS
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QUASI PARTICLES
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