Modified Schwarzschild metric from a unitary accelerating mirror analog

Michael R.R. Good, Eric V. Linder

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We present a modified Schwarzschild solution for a model of evaporation of a black hole with information preservation. By drawing a direct analogy to the quantum pure accelerating mirror (dynamical Casimir effect of a 1D horizon), we derive a Schwarzschild metric with not only the usual Schwarzschild radius but an additional length scale related to the Planck length. The black hole has thermal particle production that leads to complete evaporation of the black hole, resulting in non-divergent entanglement entropy, Page curve turn-over, and an asymptotic quantum pure state with no information loss.

Original languageEnglish
Article number043007
JournalNew Journal of Physics
Issue number4
Publication statusPublished - Apr 2021


  • Black holes
  • Dynamical casimir effect
  • Hawking radiation
  • Moving mirrors

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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