Black Hole Remnants and Dark Matter

Details Black Hole Remnants and Dark Matter Black Hole Remnants and Dark Matter

2002-05-24

arxiv.org/abs/gr-qc/0205106v1

Nucl.Phys.Proc.Suppl. 124 (2003) 103-106

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages; to appear in the Proceedings of the 5th UCLA Dark Matter Symposium, Marina del Rey, Ca, Feb. 20-22, 2002

Scientific paper

10.1016/S0920-5632(03)02088-7

We argue that, when the gravity effect is included, the generalized uncertainty principle (GUP) may prevent black holes from total evaporation in a similar way that the standard uncertainty principle prevents the hydrogen atom from total collapse. Specifically we invoke the GUP to obtain a modified Hawking temperature, which indicates that there should exist non-radiating remnants (BHR) of about Planck mass. BHRs are an attractive candidate for cold dark matter. We investigate an alternative cosmology in which primordial BHRs are the primary source of dark matter.

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