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

Bojowald, M., Goswami, R., Maartens, R., & Singh, P. (2005). A black hole mass threshold from non-singular quantum gravitational collapse. Physical Review Letters, 95: 091302.

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Bojowald, Martin1, Author
Goswami, Rituparno, Author
Maartens, Roy, Author
Singh, Parampreet, Author
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: 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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Language(s): eng - English
 Dates: 2005
 Publication Status: Issued
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 Identifiers: eDoc: 213869
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 95 Sequence Number: 091302 Start / End Page: - Identifier: -