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Non-perturbative QEG corrections to the Yang–Mills beta function

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Abstract

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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Authors and Affiliations

  1. Institute of Physics, University of Mainz, Staudingerweg 7, 55099, Mainz, Germany

    J.-E. Daum, U. Harst & M. Reuter

Authors
  1. J.-E. Daum
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  2. U. Harst
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  3. M. Reuter
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Correspondence to J.-E. Daum.

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Daum, JE., Harst, U. & Reuter, M. Non-perturbative QEG corrections to the Yang–Mills beta function. Gen Relativ Gravit 43, 2393–2407 (2011). https://doi.org/10.1007/s10714-010-1032-2

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  • DOI: https://doi.org/10.1007/s10714-010-1032-2

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