A new equation in two dimensional fast magnetoacoustic shock waves in electron-positron-ion plasmas

Journal Article · Mon Mar 15 00:00:00 EDT 2010 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.3322885· OSTI ID:21347178

Masood, W ^[1]; Jehan, Nusrat; Mirza, Arshad M ^[2]

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1. Theoretical Plasma Physics Division, PINSTECH, P.O. Nilore, Islamabad 54000 (Pakistan)
2. Department of Physics, Theoretical Plasma Physics Group, Quaid-i-Azam University, Islamabad 45320 (Pakistan)

Nonlinear properties of the two dimensional fast magnetoacoustic waves are studied in a three-component plasma comprising of electrons, positrons, and ions. In this regard, Kadomtsev-Petviashvili-Burger (KPB) equation is derived using the small amplitude perturbation expansion method. Under the condition that the electron and positron inertia are ignored, Burger-Kadomtsev-Petviashvili (Burger-KP) for a fast magnetoacoustic wave is derived for the first time, to the best of author's knowledge. The solutions of both KPB and Burger-KP equations are obtained using the tangent hyperbolic method. The effects of positron concentration, kinematic viscosity, and plasma beta are explored both for the KPB and the Burger-KP shock waves and the differences between the two are highlighted. The present investigation may have relevance in the study of nonlinear electromagnetic shock waves both in laboratory and astrophysical plasmas.

• OSTI ID: 21347178
• Journal Information: Physics of Plasmas, Vol. 17, Issue 3; Other Information: DOI: 10.1063/1.3322885; (c) 2010 American Institute of Physics; ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ASTROPHYSICS
ELECTRONS
FAST MAGNETOACOUSTIC WAVES
IONS
NONLINEAR PROBLEMS
PLASMA
POSITRONS
SHOCK WAVES
TWO-DIMENSIONAL CALCULATIONS
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
CHARGED PARTICLES
ELEMENTARY PARTICLES
FERMIONS
HYDROMAGNETIC WAVES
LEPTONS
MAGNETOACOUSTIC WAVES
MATTER
PHYSICS