Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1995-06-08
Class.Quant.Grav. 12 (1995) 2961-2966
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
10 pages in LaTeX, LaTeX problem fixed
Scientific paper
10.1088/0264-9381/12/12/012
Liouville theory is shown to describe the asymptotic dynamics of three-dimensional Einstein gravity with a negative cosmological constant. This is because (i) Chern-Simons theory with a gauge group $SL(2,R) \times SL(2,R)$ on a space-time with a cylindrical boundary is equivalent to the non-chiral $SL(2,R)$ WZW model; and (ii) the anti-de Sitter boundary conditions implement the constraints that reduce the WZW model to the Liouville theory.
Coussaert Olivier
Driel Peter van
Henneaux Marc
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