Abstract
Kinetic Alfve'n waves are examined in the presence of density and charge of dust particles with bi-Maxwellian distribution function. The theory of particle aspect analysis is used to evaluate the dispersion relation and growth rate. It is assumed that a low β (ratio of plasma pressure to magnetic pressure) plasma consist the resonant and non-resonant particles. The resonant particles participate in the energy exchange with the wave whereas non-resonant particles support the oscillatory motion of the wave. It is assumed that the dusty plasma model modify the scenario of the KAW. The density of dust particles enhanced the frequency of the KAW. The presence of charged dust grains gives rise to new kinds of waves. The finding may be applicable for the laboratory plasma and has wide applications in magnetosphere as well as space plasma which modify the propagational characteristics of KAW.
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