Quantum Gravity, or The Art of Building Spacetime

Simple item page
dc.creatorAmbjorn, J.
dc.creatorJurkiewicz, J.
dc.creatorLoll, R.
dc.date2006-04-28
dc.date.accessioned2026-07-07T07:10:17Z
dc.date.available2026-07-07T07:10:17Z
dc.descriptionThe method of four-dimensional Causal Dynamical Triangulations provides a background-independent definition of the sum over geometries in quantum gravity, in the presence of a positive cosmological constant. We present the evidence accumulated to date that a macroscopic four-dimensional world can emerge from this theory dynamically. Using computer simulations we observe in the Euclidean sector a universe whose scale factor exhibits the same dynamics as that of the simplest mini-superspace models in quantum cosmology, with the distinction that in the case of causal dynamical triangulations the effective action for the scale factor is not put in by hand but obtained by integrating out {\it in the quantum theory} the full set of dynamical degrees of freedom except for the scale factor itself.
dc.description22 pages, 6 figures. Contribution to the book "Approaches to Quantum Gravity", ed. D. Oriti, Cambridge University Press
dc.identifierhttps://arxiv.org/abs/hep-th/0604212
dc.identifierhttp://arxiv.org/abs/hep-th/0604212
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/111376
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleQuantum Gravity, or The Art of Building Spacetime
dc.typetext

Files

Collections

arXiv