Abstract
Pair ion plasma with a fraction of non-thermal electrons is considered. We investigate the effects of the streaming motion of ions on linear and nonlinear properties of unmagnetized, collisionless plasma by using the fluid model. A dispersion relation is derived, and the growth rate of streaming instabilities with effect of streaming motion of ions and non-thermal electrons is calculated. A qausi-potential approach is adopted to study the characteristics of ion acoustic solitons. An energy integral equation involving Sagdeev potential is derived during this process. The presence of the streaming term in the energy integral equation affects the structure of the solitary waves significantly along with non-thermal electrons. Possible application of the work to the space and laboratory plasmas are highlighted.
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Nasir Khattak, M., Mushtaq, A. & Qamar, A. Ion Streaming Instabilities in Pair Ion Plasma and Localized Structure with Non-Thermal Electrons. Braz J Phys 45, 633–642 (2015). https://doi.org/10.1007/s13538-015-0356-5
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DOI: https://doi.org/10.1007/s13538-015-0356-5