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Electrostatic solitary structures in a magnetized nonextensive plasma with q-distributed electrons

  • Nonlinear Phenomena
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Abstract

A rigorous theoretical investigation has been made of obliquely propagating electrostatic solitary structures in a magnetized plasma, taking into account the effect of nonextensive electrons. By employing the reductive perturbation method, the basic characteristics of obliquely propagating ion-acoustic (IA) solitary waves (SWs) in a cold magnetized electron-ion plasma (consisting of inertial ions and noninertial q-distributed electrons) have been addressed. The Korteweg-de Vries equation is derived and its numerical solution is obtained. It has been shown that the effects of electron nonextensivity and external magnetic field significantly modify the natures of the small but finite-amplitude IA SWs. The present analysis may be useful to understand and demonstrate the dynamical properties of IA SWs in different astrophysical and cosmological scenarios (viz. stellar polytropes, hadronic matter, quark-gluon plasma, protoneutron stars, dark-matter halos, etc.).

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Authors and Affiliations

  1. Department of Physics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh

    S. Ashraf & A. A. Mamun

  2. Department of Physics, International University of Business, Agriculture and Technology, Sector-10, Uttara Model Town, Dhaka, 1230, Bangladesh

    S. Yasmin

  3. Institute of Natural Sciences, United International University, Dhanmondi, Dhaka, 1209, Bangladesh

    M. Asaduzzaman

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  1. S. Ashraf
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  2. S. Yasmin
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  3. M. Asaduzzaman
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  4. A. A. Mamun
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Correspondence to S. Ashraf.

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Ashraf, S., Yasmin, S., Asaduzzaman, M. et al. Electrostatic solitary structures in a magnetized nonextensive plasma with q-distributed electrons. Plasma Phys. Rep. 40, 306–311 (2014). https://doi.org/10.1134/S1063780X14030015

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  • DOI: https://doi.org/10.1134/S1063780X14030015

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