Gravitational instability of a thermally conducting viscous Hall plasma.

Details Gravitational instability of a thermally conducting viscous Hall plasma. Gravitational instability of a thermally conducting viscous Hall plasma.

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phys...47..561a&link_type=abstract

Physica Scripta, Vol. 47, No. 4, p. 561 - 566

Physics

1

Plasma: Gravitational Instability

Scientific paper

The gravitational instability of an infinite homogeneous viscous thermally conducting plasma of finite electrical conductivity in the presence of Hall currents has been studied here. It is assumed that the plasma is permeated by a horizontal magnetic field. The dispersion relation has been obtained and solved numerically to obtain the dependence of the growth rate of gravitationally unstable modes on the various parameters involved. It is shown that Jeans' criterion remains unchanged in the presence of the effects of thermal conductivity, viscosity, rotation, magnetic resistivity and collisions.

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