Long time scales and eternal black holes

Details Long time scales and eternal black holes Long time scales and eternal black holes

2004-03-26

arxiv.org/abs/hep-th/0403268v1

Fortsch.Phys. 52 (2004) 642-649

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 6 figures. Presented at Johns Hopkins 2003 and Ahrenshoop 2003 workshops

Scientific paper

We discuss the various scales determining the temporal behaviour of correlation functions in the presence of eternal black holes. We point out the origins of the failure of the semiclassical gravity approximation to respect a unitarity-based bound suggested by Maldacena. We find that the presence of a subleading (in the large-N approximation involved) master field does restore the compliance with one bound but additional configurations are needed to explain the more detailed expected time dependence of the Poincare recurrences and their magnitude.

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