Extensions of 2D Gravity

Details Extensions of 2D Gravity Extensions of 2D Gravity

1993-06-13

arxiv.org/abs/hep-th/9306059v1

Int. J. Mod. Phys. D3 (1994) 107

Physics

High Energy Physics

High Energy Physics - Theory

12 pages (LaTeX, 3 eps figures), LBL-34240, UCB-PTH-93/21

Scientific paper

10.1142/S0218271894000113

After reviewing some aspects of gravity in two dimensions, it is shown that non-trivial embeddings of sl(2) in a semi-simple (super) Lie algebra give rise to a very large class of extensions of 2D gravity. The induced action is constructed as a gauged WZW model and an exact expression for the effective action is given. (Talk presented at the Journees Relativistes '93, Brussels, April, 1993).

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