2-dimensional Regge gravity in the conformal gauge
arXiv:hep-lat/9509020 · doi:10.1016/0920-5632(96)00138-7
Abstract
By restricting the functional integration to the Regge geometries, we give the discretized version of the well known path integral formulation of 2--dimensional quantum gravity in the conformal gauge. We analyze the role played by diffeomorphisms in the Regge framework and we give an exact expression for the Faddeev--Popov determinant related to a Regge surface; such an expression in the smooth limit goes over to the correct continuum result.
7 pages, latex file. To be published in the Proceedings of Lattice 95, Melbourne (Australia) 11-15 July 1995