The Quantum Stress-Tensor in Self-Similar Spherical Dust Collapse

Details The Quantum Stress-Tensor in Self-Similar Spherical Dust Collapse The Quantum Stress-Tensor in Self-Similar Spherical Dust Collapse

1998-05-27

arxiv.org/abs/gr-qc/9805095v1

Phys.Rev. D58 (1998) 104018

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex File, 19 pages

Scientific paper

10.1103/PhysRevD.58.104018

We calculate the quantum stress tensor for a massless scalar field in the 2-d self-similar spherical dust collapse model which admits a naked singularity. We find that the outgoing radiation flux diverges on the Cauchy horizon. This may have two consequences. The resultant back reaction may prevent the naked singularity from forming, thus preserving cosmic censorship through quantum effects. The divergent flux may lead to an observable signature differentiating naked singularities from black holes in astrophysical observations.

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