Contraints on Matter from Asymptotic Safety

Details Contraints on Matter from Asymptotic Safety Contraints on Matter from Asymptotic Safety

2002-07-03

arxiv.org/abs/hep-th/0207033v3

Phys.Rev. D67 (2003) 081503

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, 2 figures, revtex4; introduction expanded

Scientific paper

10.1103/PhysRevD.67.081503

Recent studies of the ultraviolet behaviour of pure gravity suggest that it
admits a non-Gaussian attractive fixed point, and therefore that the theory is
asymptotically safe. We consider the effect on this fixed point of massless
minimally coupled matter fields. The existence of a UV attractive fixed point
puts bounds on the type and number of such fields.

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