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- Title
Black to white hole tunneling: An exact classical solution.
- Authors
Haggard, Hal M.; Rovelli, Carlo
- Abstract
We present a metric that describes conventional matter collapsing into a black hole, bouncing and emerging from a white hole, and that satisfies the vacuum Einstein equations everywhere, including in the interior of the black hole and the subsequent white hole, except for a small compact 4d 'quantum tunneling' zone. This shows that a black hole can tunnel into a white hole without violating classical general relativity where this can be trusted. We observe that quantum gravity can affect the metric in a region outside the horizon without violating causality because small quantum effects might pile up over time. We study how quantum theory can determines the bouncing time.
- Subjects
WHITE holes (Astronomy); QUANTUM gravity; BLACK holes; QUANTUM tunneling; QUANTUM theory
- Publication
International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2015, Vol 30, Issue 28/29, p-1
- ISSN
0217-751X
- Publication type
Article
- DOI
10.1142/S0217751X15450153