Journal of High Energy Physics

, Volume 2015, Issue 12, pp 1–16 | Cite as

Quantum information erasure inside black holes

  • David A. Lowe
  • Larus ThorlaciusEmail author
Open Access
Regular Article - Theoretical Physics


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.


AdS-CFT Correspondence Models of Quantum Gravity Black Holes 


Open Access

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Copyright information

© The Author(s) 2015

Authors and Affiliations

  1. 1.Department of PhysicsBrown UniversityProvidenceU.S.A.
  2. 2.University of Iceland, Science InstituteReykjavikIceland
  3. 3.The Oskar Klein Centre for Cosmoparticle Physics, Department of PhysicsStockholm University, AlbaNova University CentreStockholmSweden

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