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Vibrations of Non-Uniform Spherical Systems
Published online by Cambridge University Press: 14 August 2015
Abstract
Dispersion relations have been obtained and analyzed for a non-uniform, non-rotating spherical gravitational system. A restriction to short wavelengths makes it possible to consider a linearized form of the collisionless Boltzmann equation, differing from that for homogeneous systems by the appearance of a term expressing the effect of the mean self-gravitational field upon the motion. The mean field affects the radially directed wave perturbations, with a breaking of symmetry.
Inwardly and outwardly directed modes have quite different propagation characteristics, inward modes being preferentially propagated. Locally, the stability of the system is enhanced due to the effect of the mean field.
- Type
- Part I/Spherical Systems
- Information
- Symposium - International Astronomical Union , Volume 69: Dynamics of Stellar Systems , 1975 , pp. 47 - 52
- Copyright
- Copyright © Reidel 1975