الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
In this thesis, we have investigated the various thermal effects on the characteristics of linear and nonlinear waves in space dusty plasma. These effects are based on different plasma species (electrons and ions) distributions such as Maxwellian, nonthermal, vortex-like, superthermal and nonextensive distributions. as well as the effect of polarization force that affects the wave dynamics of nonlinear structures in complex plasmas. Since Maxwellian distribution is inadequate to describe various plasma environments, we have considered the double spectral distribution (DSD). In this thesis, we have used the reductive perturbation technique (RPT) and derivative expansion perturbation technique (DEPT) to derive the nonlinear the evolution equations.