arXiv:hep-th/9303041·v1·High Energy Physics — Theory
Observing 4D Baby Universes in Quantum Gravity
J. Ambjorn🇩🇰 · S. Jain🇮🇳 · J. Jurkiewicz🇵🇱 · C.F. Kristjansen🇩🇰
Abstract
We measure the fractal structure of four dimensional simplicial quantum gravity by identifying so-called baby universes. This allows an easy determination of the critical exponent connected to the entropy of four-dimensional manifolds.
Comments: 10 pages, 3 figures (available by request as PS files)