Generalized Uncertainty Principle and Dark Matter

Details Generalized Uncertainty Principle and Dark Matter Generalized Uncertainty Principle and Dark Matter

2003-05-01

arxiv.org/abs/astro-ph/0305025v1

Astronomy and Astrophysics

Astrophysics

Contributed to the Proceedings of International Symposium on Frontiers of Science in Celebration of the 80th Birthday of Chen

Scientific paper

There have been proposals that primordial black hole remnants (BHRs) are the dark matter, but the idea is somewhat vague. Recently we argued that the generalized uncertainty principle (GUP) may prevent black holes from evaporating completely, in a similar way that the standard uncertainty principle prevents the hydrogen atom from collapsing. We further noted that the hybrid inflation model provides a plausible mechanism for production of large numbers of small black holes. Combining these we suggested that the dark matter might be composed of Planck-size BHRs. In this paper we briefly review these arguments, and discuss the reheating temperature as a result of black hole evaporation.

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