2D Black Holes and 2D Gravity

Details 2D Black Holes and 2D Gravity 2D Black Holes and 2D Gravity

1993-01-18

arxiv.org/abs/hep-th/9301073v1

Physics

High Energy Physics

High Energy Physics - Theory

9

Scientific paper

\small The SL$(2,R)/U(1)$ coset model, with $U(1)$ an element of the third conjugacy class of $SL(2,R)$ subgroups, is considered. The resulting theory is seen to collapse to a one dimensional field theory of Liouville. Then the 2 dimensional black hole $SL(2,R)/U(1)$, with $U(1)$ a non-compact subgroup boosted by a Lorentz transformation, is considered. In the limit of high boost, the resulting black hole is found to tend to the Liouville field coupled to $a\ C=1$ matter field. The limit of the vertex operators of the 2 dimensional black hole also tend to those of the $C=1$ two dimensional gravity.

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