Scaling and the Fractal Geometry of Two-Dimensional Quantum Gravity

Details Scaling and the Fractal Geometry of Two-Dimensional Quantum Gravity Scaling and the Fractal Geometry of Two-Dimensional Quantum Gravity

1995-04-14

arxiv.org/abs/hep-lat/9504009v1

Phys.Lett. B354 (1995) 58-68

Physics

High Energy Physics

High Energy Physics - Lattice

16 pages, LaTeX format, 8 eps figures

Scientific paper

10.1016/0370-2693(95)00623-S

We examine the scaling of geodesic correlation functions in two-dimensional gravity and in spin systems coupled to gravity. The numerical data support the scaling hypothesis and indicate that the quantum geometry develops a non-perturbative length scale. The existence of this length scale allows us to extract a Hausdorff dimension. In the case of pure gravity we find d_H approx. 3.8, in support of recent theoretical calculations that d_H = 4. We also discuss the back-reaction of matter on the geometry.

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