The Collapse of First Objects driven by Dark Matter Cusps

Details The Collapse of First Objects driven by Dark Matter Cusps The Collapse of First Objects driven by Dark Matter Cusps

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1238..101u&link_type=abstract

TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS-VII. AIP Conference Proceedings, Volume 1238, pp. 101-106 (2010).

Physics

Nuclear Physics

Dark Matter, Star Formation, Gravitation, Temperature, Dark Matter, Star Formation, Relativity And Gravitation, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification

Scientific paper

A hybrid simulator FIRST is built up to perform three-dimensional high-resolution simulations on the first objects in the universe. As a result of simulations with FIRST, we find that dark matter cusps can reduce the mass of first collapsed objects to a level of 103 Msun in baryon. It is by more than one order of magnitude smaller than previous simulations. Hence, much more Pop III stars are expected than the previous prediction.

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