Abstract
Nonlinear ion acoustic solitary wave structures in electron-positron-ion (e-p-i) magnetized rotating plasmas is studied. The electron and positron species are assumed to be nonthermal and follow the kappa distribution function. The Korteweg de Vries (kdV) equation is derived by employing the reductive perturbation technique for solitary wave in the nonlinear regime. The variation in the amplitude and width of the solitary wave are discussed with the effects of positron concentration, temperature ratio of kappa distributed electrons to positrons, spectral index of the positrons, direction of propagation of the wave with magnetic field and effective gyrofrequency of the rotating nonthermal plasmas. The numerical results are also presented for illustration.
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Hussain, S., Akhtar, N. & Mahmood, S. Ion acoustic solitary waves in electron-positron-ion magneto-rotating Lorentzian plasmas. Astrophys Space Sci 348, 475–481 (2013). https://doi.org/10.1007/s10509-013-1576-1
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DOI: https://doi.org/10.1007/s10509-013-1576-1