On the self-similar motion of a gravitating Chaplygin fluid

Details On the self-similar motion of a gravitating Chaplygin fluid On the self-similar motion of a gravitating Chaplygin fluid

2010-06-08

arxiv.org/abs/1006.1463v2

Phys.Lett. B693 (2010) 209-212

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

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Scientific paper

A self-similar motion of the generalized Chaplygin gas in its own gravitational field is considered. The problem is being studied numerically and analytically (in the limiting cases). It is shown that the model under consideration admits only expanding solutions. As the astrophysical application of the model, a description of rotating curves of spiral galaxies is suggested by using the analytical solutions obtained in the paper.

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