Jeans instability of an inhomogeneous streaming dusty plasma

B. P. Pandey*, B. Van Der Holst, J. Vranješ, S. Poedts

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)109-120
Number of pages12
JournalPramana - Journal of Physics
Issue number1
Publication statusPublished - Jul 2003
Externally publishedYes


  • Inhomogeneous plasma
  • Jeans instability
  • Polarization field


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