Effect of rotation and finite Larmor radius on magneto-gravitational instability of Hall plasma in the presence of suspended particles

Details Effect of rotation and finite Larmor radius on magneto-gravitational instability of Hall plasma in the presence of suspended particles Effect of rotation and finite Larmor radius on magneto-gravitational instability of Hall plasma in the presence of suspended particles

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.117...35c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 117, no. 1, Dec. 1985, p. 35-46.

Astronomy and Astrophysics

Astrophysics

1

Gravitational Effects, Hall Effect, Larmor Radius, Magnetic Fields, Magnetohydrodynamic Stability, Particle Trajectories, Rotating Plasmas, Collisional Plasmas, Magnetohydrodynamics, Perturbation Theory

Scientific paper

The effect of rotation of the self-gravitational instability of an infinite homogeneous magnetized Hall plasma is considered with the inclusion of finite Larmor radius corrections and the effect of suspended particles. A general dispersion relation is obtained from the linearized set of equations. The particular cases of the effect of rotation along and perpendicular to the direction of the magnetic field are considered. The effects of Hall current, finite Larmor radius, and suspended particles on the waves propagated parallel and perpendicular to the uniform magnetic field are investigated along with the uniform rotation of the medium. It is found that in the presence of suspended particles, magnetic field, Hall current, rotation and finite Larmor radius, the Jeans criterion determines the condition of gravitational instability of a gas-particle medium.

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