Approximate stress-energy tensor for evaporating black holes
Journal Article
·
· Phys. Rev. D; (United States)
We approximate the Israel-Hartle-Hawking and Unruh stress-energy tensors of quantum fields in the neighborhood of a static Schwarzschild black hole. The approximate tensors are constructed from the conservation equations in the ultrastatic optical metric of the black hole and the expected regularity properties at the horizon, in the respective vacua. Our scheme reproduces the approximation of Page, Brown, and Ottewill for the Israel-Hartle-Hawking vacuum and yields a tensor for the Unruh state. The latter exhibits the correct behavior at infinity and predicts luminosities in good agreement with numerical calculations.
- Research Organization:
- Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218
- OSTI ID:
- 6452420
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 39:6; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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71 CLASSICAL AND QUANTUM MECHANICS
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645400 -- High Energy Physics-- Field Theory
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BLACK HOLES
BOUNDARY CONDITIONS
CONFORMAL INVARIANCE
EVAPORATION MODEL
FIELD THEORIES
FOUR-DIMENSIONAL CALCULATIONS
INVARIANCE PRINCIPLES
MATHEMATICAL MODELS
METRICS
NUCLEAR MODELS
QUANTUM FIELD THEORY
SCHWARZSCHILD METRIC
SPACE-TIME
TENSORS
VACUUM STATES