Tripolar vortices associated with toroidal ion temperature gradient modes in a magnetoplasma with sheared flows

Authors
Farid, T Mirza, AM Shukla, PK Qamar, A
Citation
T. Farid et al., Tripolar vortices associated with toroidal ion temperature gradient modes in a magnetoplasma with sheared flows, PHYS PLASMA, 8(3), 2001, pp. 846-849
Citations number
17
Categorie Soggetti
Physics
Journal title
PHYSICS OF PLASMAS
ISSN journal
1070664X → ACNP
Volume
8
Issue
3
Year of publication
2001
Pages
846 - 849
Database
ISI
SICI code
1070-664X(200103)8:3<846:TVAWTI>2.0.ZU;2-2
Abstract
A system of nonlinear equations for low-frequency toroidal ion-temperature- gradient modes in a nonuniform magnetoplasma with sheared plasma flow is pr esented. For some specific profiles of the equilibrium density, the ion tem perature and sheared plasma flows, the nonlinear equations admit a tripolar vortex. The numerical results show a negative potential vortex core betwee n the lobs of a dipole-like structure which has a positive value of the pot ential. (C) 2001 American Institute of Physics.