Singularity at the demise of a black hole

Abstract

We consider a class of quasiregular singularities characterized by points possessing two future-directed light cones and two past-directed light cones. Such singularities appear in the $1+1$ trousers spacetime and the Deutsch-Politzer spacetime. We argue that these singularities are relevant for describing the end point of an evaporating black hole, and show that a class of emergent Lorentz signature theories can provide a microscopic description for these singularities.

12 pages, 7 figures. Added and corrected a reference, minor formatting changes. Matches published version

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Cited by in corpus (3)

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• The emergent Big Bang scenario