Towards Black Hole Evaporation in Jackiw-Teitelboim Gravity
arXiv:1903.10485 · doi:10.1007/JHEP07(2019)097
Abstract
Using a definition of the bulk frame within 2d Jackiw-Teitelboim gravity, we go into the bulk from the Schwarzian boundary. Including the path integral over the Schwarzian degrees of freedom, we discuss the quantum gravitational Unruh effect and the Planckian black-body spectrum of the thermal atmosphere. We analyze matter entanglement entropy and how the entangling surface should be defined in quantum gravity. Finally, we reanalyze a semi-classical model for black hole evaporation studied in JHEP 1607, 139 (2016) and compute the entanglement between early and late Hawking radiation, illustrating information loss in the semi-classical framework.
37 pages, v2: significant amount of clarifications and extensions added, corrected several equations in section 2, references added, v3: corrected some equations in appendices
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- Holographic spacetime, black holes and quantum error correcting codes: A review
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- Quasi-normal modes and microscopic description of 2D black holes
- Quantum Cross-section of Near-extremal Black Holes
- Entanglement Entropy in Jackiw-Teitelboim Gravity
- Operational islands and black hole dissipation in JT gravity
- Quantum Transparency of Near-extremal Black Holes
- Generalized Jackiw-Teitelboim gravity in presence of Bloch brane-like models
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