Unruh detectors and quantum chaos in JT gravity
arXiv:2005.13058 · doi:10.1007/JHEP03(2021)086
Abstract
We identify the spectral properties of Hawking-Unruh radiation in the eternal black hole at ultra low energies as a probe for the chaotic level statistics of quantum black holes. Level repulsion implies that there are barely Hawking particles with an energy smaller than the level separation. This effect is experimentally accessible by probing the Unruh heat bath with a linear detector. We provide evidence for this effect via explicit and exact calculations in JT gravity building on a radar definition of bulk observables in the model. Similar results are observed for the bath energy density. This universal feature of eternal Hawking radiation should resonate into the evaporating setup.
arXiv comment41 pages, v3: added discussion on charged systems, added references, fixed some typos, matches published version
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