SELF-GRAVITATING INSTABILITY OF ROTATING VARIABLE STREAMS

Abstract

The instability of a rotating self-gravitating non-viscous infinite medium with variable streams has been developed for general wave propagation. Jeans instability restriction is influenced by the streaming whether it is non-uniform or not. This is because the streaming has originally strong destabilizing influence. As the rotating force is being with two dimensional angular velocity, the model is gravitational unstable under Jeans gravitational instability condition. We predict that the rotating forces increase the pure self-gravitational instability states. However, the latter could be completely suppressed as the rotation is high and perpendicular to the direction of the perturbed wave propagations.