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gr-qc2013★ 4 cited
Radiative corrections to the EPRL-FK spinfoam graviton
Aldo Riello
I study the corrections engendered by the insertion of a "melon" graph in the bulk of the first-order spinfoam used for the graviton propagator. I find that these corrections are h…
gr-qc2013★ 86 cited
Self-Energy of the Lorentzian EPRL-FK Spin Foam Model of Quantum Gravity
Aldo Riello
We calculate the most divergent contribution to the non-degenerate sector of the self-energy (or "melonic") graph in the context of the Lorentzian EPRL-FK Spin Foam model of Quantu…