Dynamical black-hole-to-white-hole transitions require a violation of the null convergence condition for the trapped region to disappear and the anti-trapped region to form.
Black Hole Evaporation in Loop Quantum Gravity
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abstract
The conference \emph{Black Holes Inside and Out} marked the 50th anniversary of Hawking's seminal paper on black hole radiance. It was clear already from Hawking's analysis that a proper quantum gravity theory would be essential for a more complete understanding of the evaporation process. This task was undertaken in Loop Quantum Gravity (LQG) two decades ago and by now the literature on the subject is quite rich. The goal of this contribution is to summarize a mainstream perspective that has emerged. The intended audience is the broader gravitational physics community, rather than quantum gravity experts. Therefore, the emphasis is on conceptual issues, especially on the key features that distinguish the LQG approach, and on concrete results that underlie the paradigm that has emerged. This is \emph{not} meant to be an exhaustive review. Rather, it is a broad-brush stroke portrait of the present status. Further details can be found in the references listed.
fields
gr-qc 2years
2026 2representative citing papers
Negative total central charge in a one-loop CGHS extension resolves the black-hole singularity and correlates exterior Hawking flux with internal radiation, pointing toward unitarity at finite affine distance.
citing papers explorer
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Null geodesic defocusing in dynamical black-hole-to-white-hole transitions
Dynamical black-hole-to-white-hole transitions require a violation of the null convergence condition for the trapped region to disappear and the anti-trapped region to form.
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Singularity resolution and unitarity in two-dimensional dilaton black holes with negative central charge
Negative total central charge in a one-loop CGHS extension resolves the black-hole singularity and correlates exterior Hawking flux with internal radiation, pointing toward unitarity at finite affine distance.