Ion-acoustic rogue waves in magnetized solar wind plasma with nonextensive electrons

Mustapha Bacha, Leila Ait Gougam and Mouloud Tribeche

Physica A: Statistical Mechanics and its Applications, 2017, vol. 466, issue C, 199-210

Abstract: Ion-acoustic rogue waves are investigated in a two-component magnetized solar wind plasma, composed of positively charged fluid ions, as well as nonextensive electrons. Typical solar wind plasmas parameters are used. It is shown that the wave number domain for the onset of ion-acoustic modulational instability enlarges as the electrons evolve towards their thermal equilibrium. Interestingly, we show that as the solar wind plasma expands far out from the sun, the wave amplitude increases and the IA rogue wave concentrates therefore a significant amount of energy. Our investigation may be of wide relevance to astronomers and space scientists working on the solar wind and interstellar plasmas.

Keywords: Rogue waves; Magnetized solar wind plasma; Nonextensive electrons (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:466:y:2017:i:c:p:199-210

DOI: 10.1016/j.physa.2016.09.013

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