Abstract
The positron acoustic shock and solitary wave are explored in nonextensive electron-positron-ion plasma. The plasma system under-consideration, consists of a classical positron beam, q distributed electrons and positively charged bulky ions constitute a neutralizing background. The nonlinear Korteweg-de Vries and Burger equations are derived by employing the standard reductive perturbation method. The positron acoustic wave in linear limit is also discussed for dissipative as well as nondissipative cases of nonextensive plasmas. The plasma parameters such as, the concentration of neutralizing ions background, beam velocity, temperature and q parameter of the nonextensive electrons are noticed to significantly affect the positron acoustic shock and solitary waves. Our findings may be helpful in the understanding of laboratory beam plasma interaction experiments as well as the astrophysical nonextensive plasmas interacting with positron beam.
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Shah, A., Haque, Q. & Mahmood, S. Astrophysical naturally moderated classical positron beam interaction with nonlinear waves in nonextensive astrophysical plasmas. Astrophys Space Sci 344, 119–126 (2013). https://doi.org/10.1007/s10509-012-1305-1
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DOI: https://doi.org/10.1007/s10509-012-1305-1