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Title: Transient shear instability of differentially rotating and self-gravitating dusty plasma
Authors: Rogava, AD ×
Poedts, Stefaan
Osmanov, Z #
Issue Date: 2004
Publisher: Amer inst physics
Series Title: Physics of plasmas vol:11 issue:4 pages:1655-1662
Abstract: Recently it was found [Poedts et al., Phys. Plasmas 7, 3204 (2000)] that dusty plasma flows host nonperiodic modes-shear-dust-acoustic (SDA) vortices. These modes, interlaced with dust-acoustic (DA) waves, are able to exchange energy with the ambient flow. In this paper it is studied how these processes evolve in differentially rotating and self-gravitating flows of dusty plasmas. It is found that the presence of the self-gravity and of Coriolis forces makes both SDA vortices and DA waves transiently unstable. It is argued that the transient shear instability could be important for the formation of the fine structure of planetary rings, for the dynamics of charged dust masses and transition to dust-acoustic turbulence in galactic gaseous disks. (C) 2004 American Institute of Physics.
URI: 
ISSN: 1070-664X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Plasma-astrophysics Section
× corresponding author
# (joint) last author

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