Two-Dimensional Quantum Black Hole
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概要
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Callen, Giddings, Harvey and Strominger (CGHS) have investigated an interesting two dimensional (2D) dilatonic gravity which shows the black hole evaporation in the semi-classical approximation. Their work includes the 2D black hole solution in critical string theory researched by Witten. Generally the black holes evaporate completely without a singularity in terms of Hawking radiation and its back reaction of the metric. It can be, however, pointed out that in the case of 2D dilatonic black hole the semi-classical equations give a new singularity hidden inside a black hole. Consequently, following the quantum effects, the quantum version of 2D dilatonic gravity model is presented by means of the procedure of 2D quantum gravity of Distler and Kawai.
- 湘南工科大学の論文
- 1994-03-25