Interaction of electron acoustic solitons in auroral region for an electron beam plasma system

The propagation of linear and nonlinear electron acoustic waves (EAWs) in an unmagnetized plasma, comprising dynamical inertial electrons, hot ( r , q ) distributed warm beam, immobile ions is studied. dispersion relation investigated for varying beam velocity. Korteweg-de Vries (KdV) equation EAWs derived the small amplitude limit. Depending on density, temperature velocity, we get a critical condition which quadratic nonlinearity vanishes from plasma system. For such condition, modified Korteweg de (mKdV) equation, with cubic nonlinearity, derived, admits both negative positive potential solitary structures. It noted that spectral indices generalized distribution, concentration cold, ratios, significantly affect fundamental properties interaction (EASWs). types possible overtaking two mKdV solitons are investigated. spatial regime soliton found to vary accordance variation single various parameters. results present study may be beneficial comprehend between EASWs laboratory, space astrophysical plasmas.