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Showing 1 to 2 of 2 for “"infrared divergence"”.
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Perturbative Quantum Gravity and Yang-Mills Theories in de Sitter Spacetime
… quantum gravity in the covariant gauge are infrared (IR) divergent in de Sitter spacetime. We point out, that if we regularize these divergences by introducing a nite mass and take the zero mass limit at the end, then the modes responsible for these divergences will not contribute to loop …
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Radiative Corrections to Low Energy Theorems
… It is shown that all the results concerning infrared divergences obtained within the theory of quantum electrodynamics of the electron-photon system are, in fact, exact in strong interactions. The problem of radiative corrections to low-energy theorems is the primary concern of this …