Electron-acoustic solitons in plasma with nonthermal electrons |
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| Authors: | Hamid Reza Pakzad Mouloud Tribeche |
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| Institution: | 1.Department of Physics,Islamic Azad University,Bojnourd Branch,Iran;2.Theoretical Physics Laboratory, Plasma Physics Group, Faculty of Sciences-Physics,University of Bab-Ezzouar,Algiers,Algeria |
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| Abstract: | Nonlinear electron-acoustic solitary waves (EASWs) are studied using Sagdeev’s pseudo-potential technique in a collisionless
unmagnetized plasma consisting of a cold electron fluid, nonthermal hot electrons and stationary ions. It is shown that the
presence of fast nonthermal electrons may modify the parametric region where electron-acoustic solitons may exist. Our investigation
is of wide relevance to astronomers and space scientists working on interstellar space plasmas. |
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