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gr-qc2023★ 18 cited
QFT in Curved Spacetime from Quantum Gravity: proper WKB decomposition of the gravitational component
Giulia Maniccia, Giovanni Montani, Stefano Antonini
Starting from a re-analysis of previous work, we construct the proper low energy quantum field theory (QFT) limit of a full quantum gravity theory in the Born-Oppenheimer approach.…
gr-qc2018★ 20 cited
Singularity-free and non-chaotic inhomogeneous Mixmaster in polymer representation for the volume of the universe
Stefano Antonini, Giovanni Montani
We analyze the semiclassical polymer dynamics of the inhomogeneous Mixmaster model by choosing the cubed scale factor as the discretized configurational variable, while the anisotr…