Continuum Random Combs and Scale Dependent Spectral Dimension

Numerical computations have suggested that in causal dynamical triangulation models of quantum gravity the effective dimension of spacetime in the UV is lower than in the IR. In this paper we develop a simple model based on previous work on random combs, which share some of the properties of CDT, in...

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Bibliographic Details
Main Authors: Atkin, MR, Giasemidis, G, Wheater, J
Format: Journal article
Published: 2011