Abstract
Nonlinear dynamics of electron acoustic waves (EAWs) in a plasma consisting of stationary ions, cool inertial electrons and hot electrons having a nonextensive distribution is studied. Under transverse perturbations, the nonlinear wave can be described by the general form of the Davey-Stewartson (DS) equations. The reductive perturbation technique is employed to derive Davey-Stewartson equations. From the solutions of these equations, amplitude modulation properties and stability regions of EAWs are studied in two-dimensional plasma. Further, the influence of nonextensivity of hot electrons (via q) on the characteristics of EAWs has been analysed.
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This work was supported by University Grants Commission, New Delhi, India under the major research project F. No. 41-873/2012(SR).
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Saini, N.S., Kohli, R. Electrostatic envelope excitations under transverse perturbations in a plasma with nonextensive hot electrons. Astrophys Space Sci 349, 293–303 (2014). https://doi.org/10.1007/s10509-013-1649-1
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DOI: https://doi.org/10.1007/s10509-013-1649-1