One loop divergences in quantum gravity coupled with nonlocal matter fields

Details One loop divergences in quantum gravity coupled with nonlocal matter fields One loop divergences in quantum gravity coupled with nonlocal matter fields

2011-06-18

arxiv.org/abs/1106.3624v1

Physics

High Energy Physics

High Energy Physics - Theory

10 pages

Scientific paper

We study the matter one-loop quantum corrections to the gravitational sector in a gravity theory coupled with a nonlocal scalar field. We find that non-renormalizable divergences disappear when the propagator of the scalar field approaches to a non-zero constant at high momentum, while the vacuum energy is still divergent. We also comment on non-local modification of fermion, gauge field and graviton.

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