Semiclassical approach to black hole evaporation
- Joseph Henry Laboratories, Princeton University, Princeton, New Jersey 08544 (United States)
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 Callan-Giddings-Harvey-Strominger (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.
- DOE Contract Number:
- AC02-76ER03072
- OSTI ID:
- 7060461
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 47:6; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
662110* -- General Theory of Particles & Fields-- Theory of Fields & Strings-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BLACK HOLES
EVAPORATION
FIELD THEORIES
MATHEMATICS
NUMERICAL ANALYSIS
PHASE TRANSFORMATIONS
QUANTUM FIELD THEORY
QUANTUM GRAVITY
SHOCK WAVES
SINGULARITY
TWO-DIMENSIONAL CALCULATIONS