Open AccessAspects of Quantum Black Holes
Author(s) -
Claus Kiefer
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1612/1/012017
Subject(s) - white hole , physics , black hole (networking) , black hole information paradox , black hole thermodynamics , hawking radiation , quantum gravity , black hole complementarity , quantization (signal processing) , virtual black hole , extremal black hole , general relativity , theoretical physics , quantum mechanics , micro black hole , classical mechanics , entropy (arrow of time) , quantum , network packet , mathematics , computer science , computer network , routing protocol , algorithm , link state routing protocol
Black holes play a key role for any quantum theory of gravity. The main reasons are black hole radiation and evaporation as well as black hole entropy. I review these issues and address the problem of information loss. I then discuss the status of black holes in full quantum gravity. Particular attention is focused on quantum geometrodynamics, the direct quantization of general relativity. This allows scenarios in which the black-hole singularity is avoided, in particular the collapse of a wave packet towards a black-hole like state and its re-expansion as a white hole.