http://arxiv.org/abs/gr-qc/0503041(adsbygoogle = window.adsbygoogle || []).push({});

A black hole mass threshold from non-singular quantum gravitational collapse

Martin Bojowald, Rituparno Goswami, Roy Maartens, Parampreet Singh

4 pages, 3 figures

"Quantum gravity is expected to remove the classical singularity that arises as the end-state of gravitational collapse. To investigate this, we work with a simple toy model of a collapsing homogeneous scalar field. We show that non-perturbative semi-classical effects of Loop Quantum Gravity cause a bounce and remove the classical black hole singularity. Furthermore, we find a critical threshold scale, below which no horizon forms --quantum gravity may exclude very small astrophysical black holes."

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# Small black holes ruled out by LQG?

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