2013/04/30 by Ahmed Almheiri, Donald Marolf, Joseph Polchinski +2 · 1 citation
Physics and Astronomy · #gr-qc #hep-th
paper · pdf · doi:10.1007/jhep09(2013)018
35 pages. v2: minor clarifications
arxiv created 2013/06/21 · arxiv updated 2015/06/15
We address proposed alternatives to the black hole firewall. We show that embedding the interior Hilbert space of an old black hole into the Hilbert space of the early radiation is inconsistent, as is embedding the semi-classical interior of an AdS black hole into any dual CFT Hilbert space. We develop the use of large AdS black holes as a system to sharpen the firewall argument. We also reiterate arguments that unitary non-local theories can avoid firewalls only if the non-localities are suitably dramatic.