A quantitative model for relaxation of rotationally invariant collisionless self-gravitating systems

Details A quantitative model for relaxation of rotationally invariant collisionless self-gravitating systems A quantitative model for relaxation of rotationally invariant collisionless self-gravitating systems

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998phst...74...93s&link_type=abstract

Physica Scripta, Volume 74, Issue , pp. 93-102 (1998).

Physics

Scientific paper

In this paper we present a model for relaxation of collisionless self-gravitating systems showing strictly rotationally symmetric dynamics. The model is based on the assumption, that violent relaxation should lead to globally stable stationary states on a macroscopic, coarse-grained scale. Thus, the predicted states of our model are globally stable in the sense of an energy principle. The states are compatible to coarse-grained pictures of the exact, filamentary and time dependent states, because all entropy like functions are increased by the relaxation model. The calculated final states of the model are compared with results of 3D dynamical particle simulations.

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