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Quantum information erasure inside black holes

Authors
  • Lowe, David A.
  • Thorlacius, Larus
Type
Published Article
Publication Date
Oct 22, 2015
Submission Date
Aug 26, 2015
Identifiers
DOI: 10.1007/JHEP12(2015)096
Source
arXiv
License
Yellow
External links

Abstract

An effective field theory for infalling observers in the vicinity of a quasi-static black hole is given in terms of a freely falling lattice discretization. The lattice model successfully reproduces the thermal spectrum of outgoing Hawking radiation, as was shown by Corley and Jacobson, but can also be used to model observations made by a typical low-energy observer who enters the black hole in free fall at a prescribed time. The explicit short distance cutoff ensures that, from the viewpoint of the infalling observer, any quantum information that entered the black hole more than a scrambling time earlier has been erased by the black hole singularity. This property, combined with the requirement that outside observers need at least of order the scrambling time to extract quantum information from the black hole, ensures that a typical infalling observer does not encounter drama upon crossing the black hole horizon in a theory where black hole information is preserved for asymptotic observers.

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