The bulk-to-boundary propagator in black hole microstate backgrounds
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Published version
Date
2019-06
Authors
Chen, Hongbin
Fitzpatrick, A. Liam
Kaplan, Jared
Li, Daliang
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Citation
H. Chen, A.L. Fitzpatrick, J. Kaplan, D. Li. 2019. "The bulk-to-boundary propagator in black hole microstate backgrounds." Journal of High Energy Physics, Volume 2019, Issue 6, https://doi.org/10.1007/jhep06(2019)107
Abstract
First-quantized propagation in quantum gravitational AdS3 backgrounds can be exactly reconstructed using CFT2 data and Virasoro symmetry. We develop methods to compute the bulk-to-boundary propagator in a black hole microstate, ⟨𝜙𝐿𝒪𝐿𝒪𝐻𝒪𝐻⟩, at finite central charge. As a first application, we show that the semiclassical theory on the Euclidean BTZ solution sharply disagrees with the exact description, as expected based on the resolution of forbidden thermal singularities, though this effect may appear exponentially small for physical observers.
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