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Comment on “Shock waves in ultra-relativistic degenerate astrophysical e-p-i plasmas” [Astrophys. Space Sci. (2021) 366:121]

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Abstract

In a recent paper Bouziane and Annou (Astrophys. Space Sci. 366:121, 2021) investigate the propagation of shock waves in a specific plasma model through the Korteweg-de Vries-Burgers equation, find its solutions and analyze those graphically. Unfortunately, the analysis is not correct, as a comparison with earlier papers on the tanh method for the KdVB equation shows, and the proposed solution does not annul the KdVB equation. Consequently, the graphics shown are also deficient.

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No new data were created or analyzed in this study.

References

  • Bouziane, H., Annou, K.: Shock waves in ultra-relativistic degenerate astrophysical e-p-i plasmas. Astrophys. Space Sci. 366, 121 (2021)

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  • Kourakis, I., Sultana, S., Verheest, F.: Note on the single-shock solutions of the Korteweg-de Vries-Burgers equation. Astrophys. Space Sci. 338, 245–249 (2012)

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  • Malfliet, W., Hereman, W.: The tanh method: I. Exact solutions of nonlinear evolution and wave equations. Phys. Scr. 54, 563–568 (1996)

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The author has no relevant financial or non-financial interests to disclose.

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Authors and Affiliations

  1. Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281, B-9000, Gent, Belgium

    Frank Verheest

  2. School of Chemistry and Physics, University of KwaZulu-Natal, Scottsville, Pietermaritzburg, 3209, South Africa

    Frank Verheest

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  1. Frank Verheest
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Correspondence to Frank Verheest.

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Verheest, F. Comment on “Shock waves in ultra-relativistic degenerate astrophysical e-p-i plasmas” [Astrophys. Space Sci. (2021) 366:121]. Astrophys Space Sci 367, 60 (2022). https://doi.org/10.1007/s10509-022-04089-8

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  • DOI: https://doi.org/10.1007/s10509-022-04089-8

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