2020/04/21 by Friðrik Freyr Gautason, Lukas Schneiderbauer, Watse Sybesma +1 · 2 citations
Physics and Astronomy · #hep-th
paper · pdf · doi:10.1007/jhep05(2020)091
published as JHEP 05 (2020) 091 · v1: 21 pages of text, 5 figures. v2: edited typos and references
arxiv created 2020/04/21 · arxiv updated 2020/05/29
A Page curve for an evaporating black hole in asymptotically flat spacetime is computed by adapting the Quantum Ryu-Takayanagi (QRT) proposal to an analytically solvable semi-classical two-dimensional dilaton gravity theory. The Page time is found to be one third of the black hole lifetime, at leading order in semi-classical corrections. A Page curve is also obtained for a semi-classical eternal black hole, where energy loss due to Hawking evaporation is balanced by an incoming energy flux.