Investigation of electromagnetic soliton in the Cairns–Tsallis model for plasma

Abstract

The nonlinear Schrödinger equation (NLS) that describes the propagation of high intensity laser pulse through plasma is obtained by employing the multiple scales technique. One of the arresting solution for NLS equation is soliton like envelope for vector potential that is called electromagnetic soliton. The type and amplitude of electromagnetic soliton (EM) depends on the distribution function of plasma's particles. In this paper, distribution function of electrons obey the Cairns-Tsallis model and ions are assumed as stationary background. There are two flexible parameters, affect on the formation of EM soliton. By variation of nonextensive and nonthermal parameters, bright soliton could convert to dark one or versus. Due to positive kinetic energy, there are the limited region for nonextensive and nonthermal parameters as q [ 0.6 and 0 \ a \ 0.25. The variation of EM soliton's amplitude is discussed analytically.

Effect of magnetic field on electromagnetic soliton evolution by different pulses

“…A lot of studies have been done on the electromagnetic solitons in an unmagnetized plasma. Rostampooran et al [13] have investigated the role of the mixed electrons on the characteristics of the relativistic electromagnetic soliton and showed that rising of the density of nonthermal electrons increases the amplitude of solitons and rising of nonextensive electrons decreases the amplitude of solitons. Sunder [14] has explained the validity of cold plasma model which includes the effects arising due to temperature and ion dynamics.…”

Polarization force in an opposite polarity dusty plasma with hybrid Cairns–Tsallis distributed electrons

“…The study of DAW and dust ion acoustic waves have also been performed with electrons featuring the hybrid Cairns–Tsallis distribution by Saha et al [ 38 ] and Guo and Mei, [ 39 ] respectively. Recently, several theoretical investigations [ 40–45 ] have been performed in different plasma models for electrostatic and electromagnetic waves by adopting the hybrid Cairns–Tsallis velocity distribution for lighter particles.…”