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Modulational instability of electron-acoustic waves in relativistically degenerate quantum plasma

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Abstract

Using the Quantum hydrodynamic (QHD) model the modulational instability of electron-acoustic waves (EAWs) has been examined theoretically by deriving a nonlinear Schrodinger equation in a two-electron-populated relativistically degenerate super dense plasma. Through numerical analysis it is shown that the relativistic degeneracy parameter significantly influence the stability conditions and the formation and properties of the envelop solitons.

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Acknowledgements

One of the authors (S. Chandra) would like to thank CSIR, Govt of India for providing research fellowship to carry out the work.

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  1. Department of Physics, Jadavpur University, Kolkata, 700032, India

    Swarniv Chandra & Basudev Ghosh

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  1. Swarniv Chandra
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  2. Basudev Ghosh
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Correspondence to Basudev Ghosh.

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Chandra, S., Ghosh, B. Modulational instability of electron-acoustic waves in relativistically degenerate quantum plasma. Astrophys Space Sci 342, 417–424 (2012). https://doi.org/10.1007/s10509-012-1186-3

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