Electron-temperature-gradient driven dust-acoustic waves in collisional dusty magnetoplasmas

P.K. Shukla, R. Bingham, J.T. Mendonça, D.G. Resendes

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8 Citations (Scopus)


It is shown that dust-acoustic and dust ion-acoustic waves can become unstable in the presence of an equilibrium electron-temperature-gradient (ETG) in a collisional dusty magnetoplasma. The growth rate of the ETG-driven dust-acoustic modes is obtained. It is found that nonthermal dust-acoustic fluctuations can cause cross-field anomalous electron diffusion and electron thermal transport in dusty plasmas. The relevance of our investigation to laboratory plasmas is pointed out.
Original languageEnglish
Pages (from-to)196-198
Number of pages3
JournalPhysics Letters A
Issue number3-4
Publication statusPublished - 17 Feb 1997


  • electron
  • equilibrium
  • magnetoplasmas
  • mode
  • plasma
  • transport
  • waves
  • dust
  • plasmas


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