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On the existence of ion-acoustic solitary waves in a gravitating dusty plasma having charge fluctuation

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Abstract

Theoretical investigation on the propagation of ion-acoustic waves in an unmagnetized self-gravitating plasma has been made for the existence of solitary waves using the reductive perturbation method. It is observed that nonlinear excitations follow a coupled third-order partial differential equation which is slightly different from the usual case of coupled Korteweg-de Vries (K-dV) system. It appears that the system so deduced is a two-component generalization of the previous one derived by Paul et al. (1999) in which it was shown that ion-acoustic solitary waves can not exist in such system.

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Authors and Affiliations

  1. Centre for Plasma Studies, Jadavpur University, 700032, Calcutta

    S. N. Paul, K. Roychowdhury, S. Burman & A. Roychowdhury

  2. Centre for Science Education and Research B/4, Shyamali Housing Estate, 700064, Salt Lake City, Calcutta

    S. N. Paul

  3. Department of Physics, J.C.C. College, 700035, Calcutta

    K. Roychowdhury

  4. Department of Physics, Uluberia College, West Bengal, India

    B. Paul

Authors
  1. S. N. Paul
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  2. K. Roychowdhury
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  3. S. Burman
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  4. A. Roychowdhury
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  5. B. Paul
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Paul, S.N., Roychowdhury, K., Burman, S. et al. On the existence of ion-acoustic solitary waves in a gravitating dusty plasma having charge fluctuation. Czech J Phys 56, 1453–1460 (2006). https://doi.org/10.1007/s10582-006-0458-y

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  • DOI: https://doi.org/10.1007/s10582-006-0458-y

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