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gr-qc2023
Effective anisotropic dynamics in Group Field Theory cosmology
Daniele Oriti, Yi-Li Wang
We study the emergent dynamics of an anisotropic universe in the context of Group Field Theory condensate cosmology, with a scalar field playing the role of a relational clock. Acc…
hep-th2023
Generalised Amit-Roginsky model from perturbations of 3d quantum gravity
Victor Nador, Daniele Oriti, Xiankai Pang +2
A generalised Amit-Roginsky vector model in flat space is obtained as the effective dynamics of pertubations around a classical solution of the Boulatov group field theory for 3d e…
gr-qc2023★ 4 cited
Spherically-symmetric geometries in a matter reference frame as quantum gravity condensates
Daniele Oriti, Yi-Li Wang
Candidate microstates of a spherically symmetric geometry are constructed in the group field theory formalism for quantum gravity, for models including both quantum geometric and s…