Effects of Dark Matter on the Stability of Supermassive Stars

Details Effects of Dark Matter on the Stability of Supermassive Stars Effects of Dark Matter on the Stability of Supermassive Stars

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...456...71m&link_type=abstract

Astrophysical Journal v.456, p.71

Astronomy and Astrophysics

Astronomy

11

Gravitation, Instabilities, Relativity, Stars: Interiors, Nuclear Reactions, Nucleosynthesis, Abundances, Cosmology: Dark Matter

Scientific paper

The stability of nonrotating supermassive stars (M > 105 Msun) in the presence of a small dark matter component is examined. We find that the destabilizing effects of first-order nonlinear corrections from general relativity can be neutralized when a significant amount of nonrelativistic dark matter is present. In this case, it is possible for supermassive stars to be stabilized through the hydrogen-burning stage. Significant mass loss in this epoch might result in the ejection of the nucleosynthesis products of hot hydrogen burning. Ultimately, however, the post-Newtonian instability can only be delayed. If this instability occurs after the hydrogen-burning epoch, collapse of the star to a black hole is guaranteed.

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