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Black hole field theory with a firewall in two spacetime dimensions

C. T. Marco Ho (何宗泰), Daiqin Su (粟待欽), Robert B. Mann, and Timothy C. Ralph
Phys. Rev. D 94, 081502(R) – Published 10 October 2016

Abstract

We propose that the vacuum state of a scalar field around a black hole is a modified Unruh vacuum. In (1+1) dimensions, we show that a free-faller close to such an horizon can be modeled as an inertial observer in a modified Minkowski vacuum. The modification allows for information-leaking correlations at high frequencies. Using a Gaussian detector centered at k0, we find that the expectation value of the number operator for a detector crossing the horizon is proportional to 1/|k0|, implying that the free-faller will observe unbounded numbers of high-energy photons, i.e. a firewall.

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  • Received 26 February 2016

DOI:https://doi.org/10.1103/PhysRevD.94.081502

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & Astrophysics

Authors & Affiliations

C. T. Marco Ho (何宗泰)1,*, Daiqin Su (粟待欽)1, Robert B. Mann1,2,3,†, and Timothy C. Ralph1,‡

  • 1Centre for Quantum Computation and Communication Technology, School of Mathematics and Physics, University of Queensland, Brisbane, Queensland 4072, Australia
  • 2Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
  • 3Perimeter Institute, 31 Caroline Street North, Waterloo, Ontario N2L 2Y5, Canada

  • *c.ho1@uq.edu.au
  • rbmann@uwaterloo.ca
  • ralph@physics.uq.edu.au

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Issue

Vol. 94, Iss. 8 — 15 October 2016

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