Quantum Evaporation of a Naked Singularity

Rituparno Goswami, Pankaj S. Joshi, and Parampreet Singh
Phys. Rev. Lett. 96, 031302 – Published 27 January 2006

Abstract

We investigate here quantum effects in gravitational collapse of a scalar field model which classically leads to a naked singularity. We show that nonperturbative semiclassical modifications near the singularity, based on loop quantum gravity, give rise to a strong outward flux of energy. This leads to the dissolution of the collapsing cloud before the singularity can form. Quantum gravitational effects thus censor naked singularities by avoiding their formation. Further, quantum gravity induced mass flux has a distinct feature which may lead to a novel observable signature in astrophysical bursts.

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  • Received 28 June 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.031302

©2006 American Physical Society

Authors & Affiliations

Rituparno Goswami1, Pankaj S. Joshi1, and Parampreet Singh2

  • 1Tata Institute for Fundamental Research, Colaba, Mumbai 400005, India
  • 2Institute for Gravitational Physics and Geometry, Pennsylvania State University, University Park, Pennsylvania 16802, USA

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Issue

Vol. 96, Iss. 3 — 27 January 2006

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