Monte Carlo Renormalization of 2d Simplicial Quantum Gravity Coupled to Gaussian Matter

Abstract

We extend a recently proposed real-space renormalization group scheme for dynamical triangulations to situations where the lattice is coupled to continuous scalar fields. Using Monte Carlo simulations in combination with a linear, stochastic blocking scheme for the scalar fields we are able to determine the leading eigenvalues of the stability matrix with good accuracy both for c = 1 and c = 10 theories.

Comments: 17 pages, 7 figures