Definition and classification of singularities in GR: classical and quantum

Details Definition and classification of singularities in GR: classical and quantum Definition and classification of singularities in GR: classical and quantum

2004-01-10

arxiv.org/abs/gr-qc/0401040v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages, no figures, submitted to Proceedings of the Tenth Marcel Grossmann Meeting on General Relativity, Rio de Janeiro, Jul

Scientific paper

We will briefly review the definition and classification of classical and quantum singularities in general relativity. Examples of classically singular spacetimes that do not have quantum singularities will be given. We will present results on quantum singularities in quasiregular spacetimes. We will also show that a strong repulsive "potential" near the classical singularity can turn a classically singular spacetime into a quantum mechanically nonsingular spacetime.

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