Journal
GENERAL RELATIVITY AND GRAVITATION
Volume 43, Issue 9, Pages 2393-2407Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-010-1032-2
Keywords
Quantum gravity; Renormalization group; Asymptotic safety
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We discuss the non-perturbative renormalization group evolution of the gauge coupling constant by using a truncated form of the functional flow equation for the effective average action of the Yang-Mills-gravity system. Our result is consistent with the conjecture that quantum Einstein gravity (QEG) is asymptotically safe and has a vanishing gauge coupling constant at the non-trivial fixed point.
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