Dynamics of Collision-less Self-gravitating Systems and Dark Turbulence

Details Dynamics of Collision-less Self-gravitating Systems and Dark Turbulence Dynamics of Collision-less Self-gravitating Systems and Dark Turbulence

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..970..269m&link_type=abstract

DYNAMICS AND THERMODYNAMICS OF SYSTEMS WITH LONG RANGE INTERACTIONS: Theory and Experiments. AIP Conference Proceedings, Volume

Physics

Condensed Matter

Statistical Mechanics

1

Classical Statistical Mechanics, Convection, Turbulence, And Diffusion, Dark Matter, Cosmology

Scientific paper

Many scaling relations have been reported so far for the self-gravitating systems in the sky, such as the density-linear scale relation, mass-angular momentum relation, velocity dispersion-mass relations. For the consistent understanding of all such relations, we explore the basic principle of (a) local virial relation and (b) the turbulent property, which are expected to hold in self-gravitating systems, especially in the late non-linear stage. A special focus is put on the collisions-less dark matter in the universe, in which the flow lines of particles can cross with each other and form chaotic dynamics which naturally leads to the turbulence, thus we call it dark turbulence.

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