nLab black hole firewall problem





physics, mathematical physics, philosophy of physics

Surveys, textbooks and lecture notes

theory (physics), model (physics)

experiment, measurement, computable physics



In AMPS 2012, it is proposed that infalling observers encounter a “firewall” at (or just outside) the event horizon of a black hole. This is part of an attempted resolution of the black hole information paradox.

For a rough summary, see Wikipedia for now.


The suggestion that there is a black hole “firewall” phenomenon originates in

with a folowup in:

A systematic analysis of the (non-)phenomenon using actual computations in AdS-CFT duality is in

  • Kyriakos Papadodimas, Suvrat Raju, An Infalling Observer in AdS/CFT (arXiv:1211.6767)

whose authors say in their introduction:

These [[BH firewall]] proposals originate not from direct calculations in quantum gravity, [[]] While quantum gravity is a mysterious subject, the AdS-CFT correspondence provides us with a setting where we can examine these ideas within a perfectly well defined theory.

A useful comment on that article is in

In the course of this debate, the following article proposed that there is a close relation between wormholes (Einstein-Rosen bridges) and quantum entanglement (Einstein-Podolsky-Rosen phenomenon), now known as “ER = EPR”:

Other contributions to the issue include the following

Last revised on September 6, 2022 at 11:58:34. See the history of this page for a list of all contributions to it.