Semiclassical Approach to Black Hole Evaporation

Preprint English OPEN
Lowe, David A. (1992)
  • Related identifiers: doi: 10.1103/PhysRevD.47.2446
  • Subject: High Energy Physics - Theory
    arxiv: General Relativity and Quantum Cosmology | High Energy Physics::Theory | Astrophysics::High Energy Astrophysical Phenomena

Black hole evaporation may lead to massive or massless remnants, or naked singularities. This paper investigates this process in the context of two quite different two dimensional black hole models. The first is the original CGHS model, the second is another two dimensional dilaton-gravity model, but with properties much closer to physics in the real, four dimensional, world. Numerical simulations are performed of the formation and subsequent evaporation of black holes and the results are found to agree qualitatively with the exactly solved modified CGHS models, namely that the semiclassical approximation breaks down just before a naked singularity appears.
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