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Emergent scalar field dynamics in a cosmological spacetime from GFT quantum gravity
Roukaya Dekhil, Federico Greco, Stefano Liberati +1
We derive an effective scalar field theory for matter in group field theory condensate cosmology, starting from the fundamental quantum-gravity dynamics in a fully relational frame…
A state sum for four-dimensional Lorentzian quantum geometry in terms of edge vectors
Roukaya Dekhil, Matteo Laudonio, Daniele Oriti
We present the construction of a new state sum model for Lorentzian quantum gravity based on the description of quantum simplicial geometry in terms of edge vectors. Quantum s…
Phase transitions in TGFT: Landau-Ginzburg analysis of the causally complete Lorentzian Barrett-Crane model
Roukaya Dekhil, Alexander F. Jercher, Andreas G. A. Pithis
It is expected that continuum spacetime emerges via phase transition in the tensorial group field theory (TGFT) approach to quantum gravity. Recent work on the application of Landa…
Black holes in the classical and quantum world
Roberto Emparan, Elvis Barakovic, Roukaya Dekhil +1
These are the lecture notes for an introductory course on black holes and some aspects of their interaction with the classical and quantum world. The focus is on phenomena of "fund…