Electron acoustic solitary waves in unmagnetized nonthermal plasmas |
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| Authors: | Muhammad Khalid Aqil Khan Mohsin Khan Daud Khan Sheraz Ahmad Ata-ur-Rahman |
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| Affiliation: | 1.Department of Physics, Government Post Graduate College Mardan, Mardan 23200, Pakistan;2.Theoretical Plasma Physics Group, Department of Physics, Islamia College Peshawar (Public Sector University), Peshawar 25120, Pakistan;3.Department of Physics, Government Post Graduate College Nowshera, Nowshera 24100, Pakistan |
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| Abstract: | Electron acoustic (EA) solitary waves (SWs) are studied in an unmagnetized plasma consisting of hot electrons (following Cairns-Tsalli distribution), inertial cold electrons, and stationary ions. By employing a reductive perturbation technique (RPT), the nonlinear Korteweg–de Vries (KdV) equation is derived and its SW solution is analyzed. Here, the effects of plasma parameters such as the nonextensivity parameter (q), the nonthermality of electrons (α), and the cold-to-hot electron density ratio (β) are investigated. |
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| Keywords: | Electron acoustic solitons KdV equation Cairns-Tsalli distribution |
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