Quantum Corrections in the Group Field Theory Formulation of the EPRL/FK Models

Details Quantum Corrections in the Group Field Theory Formulation of the EPRL/FK Models Quantum Corrections in the Group Field Theory Formulation of the EPRL/FK Models

2010-07-19

arxiv.org/abs/1007.3150v2

Phys.Rev.D82:124069,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

36 pages, 5 figures; an appendix giving a more precise behaviour of the degenerate configuration case has been added; further

Scientific paper

10.1103/PhysRevD.82.124069

We investigate the group field theory formulation of the EPRL/FK spin foam
models. These models aim at a dynamical, i.e. non-topological formulation of 4D
quantum gravity. We introduce a saddle point method for general group field
theory amplitudes and compare it with existing results, in particular for a
second order correction to the EPRL/FK propagator.

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