The Value of Singularities

Details The Value of Singularities The Value of Singularities

1995-03-30

arxiv.org/abs/gr-qc/9503062v2

Gen.Rel.Grav.27:915-919,1995

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, no figures; a few clarifying comments added

Scientific paper

10.1007/BF02113073

We point out that spacetime singularities play a useful role in gravitational
theories by eliminating unphysical solutions. In particular, we argue that any
modification of general relativity which is completely nonsingular cannot have
a stable ground state. This argument applies both to classical extensions of
general relativity, and to candidate quantum theories of gravity.

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