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Abstract In this comment, a Sagdeev pseudopotential analysis is used to illustrate signficant errors in the paper entitled “Dust-Ion-Acoustic Waves in unmagnetized 4-component plasma” [Adv. Space Res. 67, 1244–1253 (2021)].… Click to show full abstract
Abstract In this comment, a Sagdeev pseudopotential analysis is used to illustrate signficant errors in the paper entitled “Dust-Ion-Acoustic Waves in unmagnetized 4-component plasma” [Adv. Space Res. 67, 1244–1253 (2021)]. It is shown that this is due to an erroneous formulation of the moving frame used for the reductive perturbation analysis. The correct derivation is provided in detail. The significance of the near-supercritical compositional criterion is also illustrated.
Keywords:
dust ion;
unmagnetized component;
waves unmagnetized;
ion acoustic;
acoustic waves;
space
Journal Title: Advances in Space Research
Year Published: 2021
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Journal Title: Advances in Space Research
Year Published: 2021
Link to full text (if available)
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recommendations!