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Relaxation Times in Strictly Disk Systems
Published online by Cambridge University Press: 12 April 2016
Abstract
It is shown that the time of relaxation by particle encounters of self-gravitating systems in the plane interacting by 1/r2 forces is of the same order of magnitude as the mean orbit time. Therefore such a system does not have a Vlasov limit for large numbers of particles, unless appeal is made to some non-zero thickness of the disk. The relevance of this result to numerical experiments on galactic structure is discussed.
- Type
- Research Article
- Information
- International Astronomical Union Colloquium , Volume 10: Gravitational N-Body Problem , November 1971 , pp. 15 - 19
- Copyright
- Copyright © Reidel 1971