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arXiv 2011.071572020-11-13physics.plasm-phnlin.PS

Formation of global vortices in a dusty plasma cylinder

Zahida Ehsan, Nazia Batool

英文摘要：

The ultra low frequency modes associated to the activated dust specie in a bounded cylinder orientation plasma has been investigated here. Here flow of all plasma particles is assumed along the axial coordinates where gradients in velocity are set to be along radial direction. This analysis has been carried out for both Maxwellian and non-Maxwellian (Kappa and Carins) dusty plasma where coupling of electrostatic dust acoustic and drift modes drives global vortex formations. The coefficients of the vortex solution has been affected strongly by the presence of superthermal particles. Significance of this analysis can be viewed from the lab experiments and for the PK-4 mission perspectives. Additionally this may be fruitful for the astrophysical settings that can be mimicked as a plasma in a cylindrical column on macroscopic scale.

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