Quantum-Gravity Path-Integrals on Simplicial Lattices

Details Quantum-Gravity Path-Integrals on Simplicial Lattices Quantum-Gravity Path-Integrals on Simplicial Lattices

1992-11-10

arxiv.org/abs/hep-lat/9211023v1

Physics

High Energy Physics

High Energy Physics - Lattice

4 pgs

Scientific paper

10.1016/0083-6656(93)90100-X

Euclidean quantum-gravity path-integrals are investigated within Regge calculus by computer simulations. The domain of integration is restricted by introducing a lower limit for the fatness of each simplex. We use the standard hypercubic triangulation of the 4-torus and irregularly triangulated lattices obtained by inserting a small number of vertices using barycentric subdivision. For limited fatness we find an entropy dominated phase with small negative curvature both for the regular and the irregular triangulation.

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