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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. Pacs numbers: 04.60.-m, 04.60.Pp
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Krajewski et al. (2010) studied this question.
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