• Propagation of dust-acoustic waves in weakly ionized plasmas with dust-charge fluctuation

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    • Keywords


      Dust-acoustic wave; dust-ion-acoustic wave; dust-charge fluctuation; dispersion relation

    • Abstract


      For an unmagnetized partially ionized dusty plasma containing electrons, singly charged positive ions, micron-sized massive negatively charged dust grains and a fraction of neutral atoms, dispersion relations for both the dust-ion-acoustic and the dustacoustic waves have been derived, incorporating dust charge fluctuation. The dispersion relations, under various conditions, have been exhaustively analysed. The explicit expressions for the growth rates have also been derived.

    • Author Affiliations


      K K Mondal1

      1. Department of Physics, Raja Peary Mohan College, Uttarpara, Hooghly - 712 258, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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