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Effect of electron beam on the properties of electron-acoustic rogue waves

Published online by Cambridge University Press:  03 December 2014

E. K. El-Shewy ,
S. A. Elwakil ,
A. M. El-Hanbaly  and
A. I. Kassem
E. K. El-Shewy*
Affiliation:
Department of Physics, Taibah University, Al-Madinah Al-Munawarrah, Kingdom of Saudi Arabia Theoretical Physics Group, Faculty of Science, Mansoura University, Mansoura, Egypt
S. A. Elwakil
Affiliation:
Theoretical Physics Group, Faculty of Science, Mansoura University, Mansoura, Egypt
A. M. El-Hanbaly
Affiliation:
Theoretical Physics Group, Faculty of Science, Mansoura University, Mansoura, Egypt
A. I. Kassem
Affiliation:
Theoretical Physics Group, Faculty of Science, Mansoura University, Mansoura, Egypt
*
†Email address for correspondence: e_k_el_shewy@mans.edu.eg, emadshewy@yahoo.com
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Abstract

The properties of nonlinear electron-acoustic rogue waves have been investigated in an unmagnetized collisionless four-component plasma system consisting of a cold electron fluid, Maxwellian hot electrons, an electron beam and stationary ions. It is found that the basic set of fluid equations is reduced to a nonlinear Schrodinger equation. The dependence of rogue wave profiles and the associated electric field on the carrier wave number, normalized density of hot electron and electron beam, relative cold electron temperature and relative beam temperature are discussed. The results of the present investigation may be applicable in auroral zone plasma.

Type
Research Article
Information
Journal of Plasma Physics , Volume 81 , Issue 2 , April 2015 , 905810204
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Copyright
Copyright © Cambridge University Press 2014 

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