Quantum Gravity and Black Hole

Details Quantum Gravity and Black Hole Quantum Gravity and Black Hole

1993-02-22

arxiv.org/abs/hep-th/9302101v1

Physics

High Energy Physics

High Energy Physics - Theory

phyztex, 8 pages

Scientific paper

The quantum theory of the spherically symmetric gravity in 3+1 dimensions is investigated. The functional measures are explicitly evaluated and the physical state conditions are derived by using the technique developed in two dimensional quantum gravity. Then the new features which are not seen in ADM formalism come out. If $\kappa_s > 0 $, where $\kappa_s =(N-27)/12\pi $ and $N$ is the number of matter fields, a singularity appears, while for $\kappa_s <0$ the singularity disappears. The quantum dynamics of black hole seems to be changed by the sign of $\kappa_s $. (Talk given by K.H. at Workshop on General Relativity and Gravity, Waseda, Tokyo, Japan, 18-20 Jan 1993.)

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