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Studies on solitary waves in non-isothermal plasma

Author:

Sankar Chattopadhyay

Centre for Theoretical plasma Research, Sonargaon, Teghoria, Narendrapur station Road, P.O.- R.K.Pally, P.S. Sonarpur, Kolkata –150, West Bengal, IN
About Sankar

Department of Mathematics,Daria J.L.N. Vidyalaya, P.O. Thakuraniberia, Dist. South 24 Parganas, P.S. Canning, Pin. 743376

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Abstract

In single and two-temperature non-isothermal electron plasma along with warm positive ion, warm negative ion and warm positron, propagation of non-linear ion-acoustic solitary waves are investigated under the variation of different plasma parameters. In this paper, we have studied the first, second and third order compressive non-linear solitary wave solutions along with their respective amplitudes by a very familiar approach known as ‘tanh – method’ with existence condition for solitary wave solutions. Again we are trying to compare the amplitudes between isothermal and non-isothermal two-temperature electron plasma. In addition to this, for two-temperature non-isothermal electron plasma - variation of energy connected with those amplitudes, fast and slow ion-accoustic phase velocity and profiles of Sagdeev potential for temperature variation of positive and negative ions are critically discussed. All the results obtained are represented graphically.

How to Cite: Chattopadhyay, S., 2022. Studies on solitary waves in non-isothermal plasma. Sri Lankan Journal of Physics, 23(2), pp.93–124. DOI: http://doi.org/10.4038/sljp.v23i2.8090
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Published on 31 Dec 2022.
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