The maximum density attained at the nonlinear stage of gravitational instability in a collisionless medium with a thermal velocity spread

Details The maximum density attained at the nonlinear stage of gravitational instability in a collisionless medium with a thermal velocity spread The maximum density attained at the nonlinear stage of gravitational instability in a collisionless medium with a thermal velocity spread

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64.1144k&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Nov.-Dec. 1987, p. 1144-1154. In Russian.

Statistics

Computation

2

Collisionless Plasmas, Density Distribution, Gravitation Theory, Nonlinear Evolution Equations, Plasma Temperature, Computational Astrophysics, Galactic Clusters, Gravitational Collapse, Singularity (Mathematics), Temperature Distribution

Scientific paper

Analytical estimates of the maximum density attained at the nonlinear stage of gravitational instability in a collisionless medium with small thermal velocities are obtained. These estimates are made for all types of generic singularities occurring in three-dimensional motions of a cold medium. In the one-dimensional case the numerical simulations of the gravitational collapse of a warm collisionless medium have been made.

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