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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/061/01/0109-0120

    • Keywords

       

      Jeans instability; inhomogeneous plasma; polarization field

    • Abstract

       

      The dynamics of a self-gravitating unmagnetized, inhomogeneous, streaming dusty plasma is studied in the present work. The presence of the shear flow causes the coupling between gravitational and electrostatic forces. In the absence of self-gravity, the fluctuations in the plasma may grow at the expense of the density inhomogeneity and for certain wavelengths, such an unstable mode may dominate the usual streaming instability. However, in the presence of self-gravity, the plasma inhomogeneity causes an overlap between Jeans and streaming modes and collapse of the grain will continue at all wavelengths.

    • Author Affiliations

       

      B P Pandey1 B Van Der Holst1 2 J Vranješ1 2 S Poedts1 2

      1. Computational Plasma Dynamics Laboratory, Kettering University, Flint, MI - 48504, USA
      2. Center for Plasma Astrophysics, K.U. Leuven, Celestijnenlaan 200B, Leuven - 3001, Belgium

    • Dates

       
      Published
      July 2003
      Manuscript received
      26 October 2002
      Manuscript revised
      21 February 2003

  • Pramana – Journal of Physics | News

    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

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