Propagation of waves in a multicomponent plasma having charged dust particles |
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Authors: | Sukanya Burman A Roy Chowdhury S N Paul |
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Institution: | (1) High Energy Physics Division, Department of Physics, Jadavpur University, 700 032 Calcutta, India;(2) Serampore Girls’ College, Dist. Hooghly, P.O. Serampore, 73239, West Bengal |
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Abstract: | Propagation of both low and high frequency waves in a plasma consisting of electrons, ions, positrons and charged dust particles
have been theoretically studied. The characteristics of dust acoustic wave propagating through the plasma has been analysed
and the dispersion relation deduced is a generalization of that obtained by previous authors. It is found that nonlinear localization
of high frequency electromagnetic field in such a plasma generates magnetic field. This magnetic field is seen to depend on
the temperatures of electrons and positrons and also on their equilibrium density ratio. It is suggested that the present
model would be applicable to find the magnetic field generation in space plasma. |
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Keywords: | Dusty plasma acoustic waves high and low frequency magnetic field generation |
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