Quantized fields and temperature in charged dilatonic black hole spacetimes

Details Quantized fields and temperature in charged dilatonic black hole spacetimes Quantized fields and temperature in charged dilatonic black hole spacetimes

1996-07-22

arxiv.org/abs/gr-qc/9607048v1

Phys.Rev. D55 (1997) 3893-3896

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 page, ReVTeX

Scientific paper

10.1103/PhysRevD.55.3893

The stress-energy tensor of a quantized scalar field is computed in the reduced two-dimensional charged dilatonic black hole spacetime of Garfinkle, Horowitz, and Strominger. In order for the stress-energy of quantized fields to be regular on the event horizon in both the extreme string metric and the conformally associated physical metric, it is necessary to assign a nonzero temperature, T = (8 pi e^{phi_0} M)^{-1}, to the extreme string metric, contrary to the expectation that this horizonless spacetime would have a natural temperature of zero.

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