Milne and Torus Universes Meet
Andrew Waldron
Abstract
Three dimensional quantum gravity with torus universe, T2xR topology is reformulated as the motion of a relativistic point particle moving in an Sl(2,Z) orbifold of flat Minkowski spacetime. The latter is precisely the three dimensional Milne Universe studied recently by Russo as a background for Strings. We comment briefly on the dynamics and quantization of the model.
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