Equilibrium Two-Dimensional Dilatonic Spacetimes

Details Equilibrium Two-Dimensional Dilatonic Spacetimes Equilibrium Two-Dimensional Dilatonic Spacetimes

1993-02-03

arxiv.org/abs/hep-th/9302009v1

Phys.Rev. D47 (1993) 4483-4489

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, M.I.T. preprint CTP#2174

Scientific paper

10.1103/PhysRevD.47.4483

We study two-dimensional dilaton gravity coupled to massless scalar fields for static solutions. In addition to the well known black hole, we find another class of solutions that may be understood as that of the black hole in equilibrium with a radiation bath. We claim that there is a solution that is qualitatively unchanged after including Hawking radiation and back-reaction and is furthermore geodesically complete. We compute the thermodynamics of these spacetimes and their mass. We end with a brief discussion of the linear response about these solutions, its significance to stability and noise and a speculation regarding the endpoint of Hawking evaporation in four dimensions. (plain TeX; one figure, available upon request.)

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