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Study of ion-acoustic solitary wave structures in multi-component plasma containing positive and negative ions and q-exponential distributed electron beam

Published online by Cambridge University Press:  25 September 2017

J. Sarkar ,
J. Goswami ,
S. Chandra  and
B. Ghosh
J. Sarkar
Affiliation:
Department of Physics, Jadavpur University, Jadavpur, Kolkata-700032, India
J. Goswami
Affiliation:
Department of Physics, Jadavpur University, Jadavpur, Kolkata-700032, India
S. Chandra*
Affiliation:
Department of Physics, Jadavpur University, Jadavpur, Kolkata-700032, India Department of Physics, JIS University, Agarpara, Kolkata-700109, India
B. Ghosh
Affiliation:
Department of Physics, Jadavpur University, Jadavpur, Kolkata-700032, India
*
Address correspondence and reprint requests to: S. Chandra, Department of Physics, Jadavpur University, Jadavpur, Kolkata-700032, India and Department of Physics, JIS University, Agarpara, Kolkata-700109, India. E-mail: swarniv147@gmail.com
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Abstract

Using reductive perturbation technique, small-amplitude ion-acoustic solitary wave has been investigated in multi-component dense plasma, in which an electron beam propagates along the general streaming motion. The electrons in plasma have the q-exponential distribution. The positive and negative ions follow a regular Maxwellian distribution. It has been found that the positive and negative ion densities as well as the beam concentration have significant effect on the formation and properties of solitary structures. The streaming velocities of corresponding particles also have pronounced effect on the features of the solitons.

Keywords

Ion-acoustic solitary wavePositive and negative ionsq-Exponential distributed electron beam
Type
Research Article
Information
Laser and Particle Beams , Volume 35 , Issue 4 , December 2017 , pp. 641 - 647
Copyright
Copyright © Cambridge University Press 2017 

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