PT Journal
AU Casals, M
   Fabbri, A
   Martinez, C
   Zanelli, J
TI Quantum dress for a naked singularity
SO Physics Letters B
JI Phys. Lett. B
PY 2016
BP 244
EP 248
VL 760
DI 10.1016/j.physletb.2016.06.044
LA English
DE Semiclassical gravity; Quantum backreaction; Cosmic censorship; Black holes; Naked singularities; BTZ
AB We investigate semiclassical backreaction on a conical naked singularity space-time with a negative cosmological constant in (2 + 1)-dimensions. In particular, we calculate the renormalized quantum stress-energy tensor for a conformally coupled scalar field on such naked singularity space-time. We then obtain the backreacted metric via the semiclassical Einstein equations. We show that, in the regime where the semiclassical approximation can be trusted, backreaction dresses the naked singularity with an event horizon, thus enforcing (weak) cosmic censorship.
ER