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Electron acoustic blow up solitary waves and periodic waves in an unmagnetized plasma with kappa distributed hot electrons

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Abstract

Electron acoustic blow up solitary waves and periodic waves are studied in a classical unmagnetized plasma containing cold electron fluid, kappa distributed hot electrons and stationary ions. We obtain Korteweg-de Vries (KdV) equation for electron acoustic waves (EAWs) using the reductive perturbation technique (RPT). Applying bifurcation theory of planar dynamical systems to the obtained KdV equation, we prove the existence of electron acoustic blowup solitary and periodic wave solutions. Depending on different physical parameters, two types of exact explicit solutions of the mentioned waves are derived. Our model may be applied to explain blow up solitary and periodic wave features that may occur in the planetary magnetosphere and the plasma sheet boundary layer.

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Acknowledgements

This work is partially supported by DST, India under (D.O. no: SR/S2/HEP-32/2012). The authors are really grateful to the reviewers for their useful comments and suggestions which helped to improve the paper.

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Correspondence to Asit Saha.

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Saha, A., Chatterjee, P. Electron acoustic blow up solitary waves and periodic waves in an unmagnetized plasma with kappa distributed hot electrons. Astrophys Space Sci 353, 163–168 (2014). https://doi.org/10.1007/s10509-014-2030-8

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  • DOI: https://doi.org/10.1007/s10509-014-2030-8

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