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Author(s): McLaughlin, GC; Fuller, GM | Abstract: The stability of nonrotating supermassive stars (M g 105 M⊙) 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. Subject headings: dark matter - gravitation - instabilities nuclear reactions, nucleosynthesis, abundances - relativity - stars: interiors © 1996. The American Astronomical Society. All rights reserved.

Effects of Dark Matter on the Stability of Supermassive Stars