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Breather structures in degenerate relativistic non-extensive plasma

Published online by Cambridge University Press:  15 May 2017

M. Shahmansouri*
Affiliation:
Department of Physics, Faculty of Science, Arak University, Arak, PO Box 38156-8-8349, Iran
H. Alinejad
Affiliation:
Department of Physics, Faculty of Basic Science, Babol Noshirvani University of Technology, Babol 47148-71167, Iran
M. Tribeche
Affiliation:
Faculty of Physics, Theoretical Physics Laboratory, Plasma Physics Group, University of Bab-Ezzouar, USTHB, B.P. 32, El Alia, Algiers 16111, Algeria
*
Email address for correspondence: [email protected]

Abstract

We examine the excitation of breather structures in a degenerate relativistic plasma consisting of non-extensive electrons and cold ions. For this purpose, the multiple time scale perturbation technique is used to obtain a nonlinear Schrödinger equation (NLSE). We then consider different localized solutions regarding analytical breather solutions of the NLSE, and examine their properties in the frame of the present plasma system, i.e. a degenerate relativistic non-extensive plasma. The results of the present investigation may be useful for the understanding of the basic features of the nonlinear excitations that may occur in dense astrophysical plasmas.

Type
Research Article
Copyright
© Cambridge University Press 2017 

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