EFFECT OF FINITE LARMOR RADIUS CORRECTIONS ON THE THERMAL INSTABILITY OF THERMALLY CONDUCTING VISCOUS PLASMA WITH HALL CURRENT AND ELECTRON INERTIA
- Physics Department, Ujjain Engineering College, Ujjain, MP-456010 (India)
- Physics Department, Mahakal Institute of Technology, Ujjain, MP-456664 (India)
The thermal instability of an infinite homogeneous, thermally conducting, and rotating plasma, incorporating finite electrical resistivity, finite electron inertia, and an arbitrary radiative heat-loss function in the presence of finite Larmor radius corrections and Hall current, has been studied. Analysis has been made with the help of linearized magnetohydrodynamics (MHD) equations. A general dispersion relation is obtained using the normal mode analysis method, and the dispersion relation is discussed for longitudinal propagation and transverse propagation separately. The dispersion relation has been solved numerically to obtain the dependence of the growth rate on the various parameters involved. The conditions of modified thermal instability and stability are discussed in the different cases of interest.
- OSTI ID:
- 22667372
- Journal Information:
- Astrophysical Journal, Journal Name: Astrophysical Journal Journal Issue: 2 Vol. 829; ISSN ASJOAB; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CLOUDS
CORRECTIONS
DISPERSION RELATIONS
DISPERSIONS
ELECTRIC CONDUCTIVITY
EQUATIONS
HALL EFFECT
HEAT LOSSES
INSTABILITY
LARMOR RADIUS
MAGNETOHYDRODYNAMICS
MOMENT OF INERTIA
NORMAL-MODE ANALYSIS
PLASMA
RADIANT HEAT TRANSFER
ROTATING PLASMA
SIMULATION
STABILITY
STARS
THERMAL CONDUCTIVITY