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The path integral approach to the black hole information problem

Galfard, C (CMS)
Thursday 16 December 2004, 11:30-12:30

Seminar Room 1, Newton Institute


The black hole information loss problem has been the focus of much debate for the past thirty years. I will review the path integral approach to the problem: how it can be seen that black holes evaporate (Hartle-Hawking) thus apparently destroying information and how the sum over (Euclidean) space-time topologies may lead to a recovery of the information (Maldacena, Hawking). I will also point out why this may not be the end of the story (Barbon-Rabinovici) and, time permitting, mention a related holographic black hole non-formation argument to solve the problem which I am working on with Germani and Ishibashi.


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