Nonlinear heavy-ion-acoustic waves in an adiabatic collisionless Bi-ion plasma

Journal Article · Sat Apr 15 04:00:00 EDT 2017 · Plasma Physics Reports

DOI:https://doi.org/10.1134/S1063780X17040043· OSTI ID:22760352

Rahman, M. M. ^[1]; Hossen, M. R. ^[2]; Mamun, A. A. ^[1]

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1. Jahangirnagar University, Department of Physics (Bangladesh)
2. Daffodil International University, Department of Natural Sciences (Bangladesh)

The basic properties of heavy-ion-acoustic (HIA) waves have been investigated in a collisionless plasma system which is supposed to be composed of nonthermal electrons, Boltzmann distributed light ions, and adiabatic positively charged inertial heavy ions. The Kortewg-de Vries and Burgers equations are derived in nonplanar (cylindrical and spherical) geometry by employing the standard reductive perturbation method for studying the basic features (viz. amplitude, phase speed, etc.) of HIA solitary and shock waves, which are associated with either positive or negative potential. It is found that the effects of nonplanar geometry, adiabaticity of positively charged inertial heavy ions, the presence of nonthermal (Cairns distributed) electrons, and number densities of the plasma components significantly modify the basic features of nonplanar HIA waves. It has been observed that the properties of solitary and shock waves associated with HIA waves in a nonplanar geometry differ from those in a planar geometry. The implications of our results may be helpful in understanding the electrostatic perturbations in various laboratory and astrophysical plasma environments.

• OSTI ID: 22760352
• Journal Information: Plasma Physics Reports, Journal Name: Plasma Physics Reports Journal Issue: 4 Vol. 43; ISSN PPHREM; ISSN 1063-780X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BISMUTH IONS
COLLISIONLESS PLASMA
HEAVY IONS
ION ACOUSTIC WAVES
NONLINEAR PROBLEMS
PERTURBATION THEORY
SHOCK WAVES