Abstract

A gyrokinetic study of low-frequency---lower than the dust cyclotron frequency---electrostatic modes in a magnetized dusty plasma has been presented. It is found that the inequalities of charge and number densities of electrons, ions, and dust particles, and the finite-Larmor-radius thermal kinetic effects of the mobile charged dust grains, introduce the existence of low-frequency electrostatic eigenmodes in a three-component hot magnetized dusty plasma. The relevance of our investigation to space and astrophysical as well as laboratory experiments for dust-particulate attraction is pointed out.

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