A perturbation method for high-virial gravitational systems in the collisionless regime

Details A perturbation method for high-virial gravitational systems in the collisionless regime A perturbation method for high-virial gravitational systems in the collisionless regime

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...233..422m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 233, no. 2, July 1990, p. 422-426.

Astronomy and Astrophysics

Astrophysics

6

Astronomical Models, Gravitation Theory, Perturbation Theory, Vlasov Equations, Big Bang Cosmology, Cosmic Gases, Galactic Evolution

Scientific paper

A perturbation method of a Vlasov-Poisson model for gravitational systems close to a situation of free expansion is presented. This model is valid when the kinetic energy (K), is much greater than the gravitational energy (P). This model gives a description of the initial development of a Big-Bang. Here, the limited results of one-dimensional studies are presented, but extensions to a higher number of dimensions are possible, in spite of increasing difficulties in the calculations.

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