Multiple relaxation time-scales in stellar dynamics

Details Multiple relaxation time-scales in stellar dynamics Multiple relaxation time-scales in stellar dynamics

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...244...48b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 244, no. 1, April 1991, p. 48-51.

Astronomy and Astrophysics

Astrophysics

7

Galactic Evolution, Riemann Manifold, Stellar Motions, Virial Theorem, Ergodic Process, Geodesy, Many Body Problem

Scientific paper

A rigorous treatment of the violent relaxation phase of a large self-gravitating stellar system is made in the framework of the analytical dynamics. In the regime in which the coarse-grained virial theorem can be applied, the stellar system can be considered a mixing system. The consequent instability of the Anosov flow leads to the evaluation of the violent relaxation time scale.

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