Self-energy and vertex radiative corrections in LQG
classification
🌀 gr-qc
keywords
elementaryone-loopquantumself-energyvertexballbubblecompute
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We consider the elementary radiative-correction terms in loop quantum gravity. These are a two-vertex "elementary bubble" and a five-vertex "ball"; they correspond to the one-loop self-energy and the one-loop vertex correction of ordinary quantum field theory. We compute their naive degree of (infrared) divergence.
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