Coupled drift shock and soliton in collisional ambiplasma with nonthermal effects of electrons and positrons

Sajad Ali, Mushtaq Ahmad and M. Farooq

Chaos, Solitons & Fractals, 2018, vol. 112, issue C, 66-74

Abstract: In the present article coupled drift-ion acoustic mode is investigated in four component collisional, magnetized, and inhomogeneous ambiplasma consisting of positive and negative ions, non-thermal electrons and positrons. Linear dispersion relation for the coupled mode is derived with effect of nothermality and particle concentration. In the presence of weak dispersion and dissipation a KdV-Burger equation is derived in nonlinear regime, for coupled acoustic-drift shock and soliton. Using Tanh-method the solution for double layers in the system is derived. The results are numerically highlighted for ambi plasma at early universe and space plasma. Further more keeping in view the non thermal behavior of ambiplasma in space, a kappa distributed approach is used for these calculations.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:112:y:2018:i:c:p:66-74

DOI: 10.1016/j.chaos.2018.04.031

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