Abstract
The linear dispersion relation and partial differential equations are derived for the electronegative plasma with heavier negative ions embedded in an ambient magnetic field. The appropriate transformation is used to study the nonlinear structures without introducing multi-scale expansion of various quantities. The nonlinear partial differential equation obtained sustains nonlinear structures like solitons and double layers. All the linear waves and the nonlinear structures like solitons and double layers are found to be modified predominantly under the influence of superthermal particles, density inhomogeneity, electron populations, and positive to negative heavy ion ratios.
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