Non-perturbative QEG Corrections to the Yang-Mills Beta Function

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.

To appear in the proceedings of CORFU 2009

References in corpus (8)

• Gravitational Correction to Running of Gauge Couplings
• Running Gauge Coupling in Asymptotically Safe Quantum Gravity
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• Absence of gravitational contributions to the running Yang-Mills coupling
• Quantum gravity and charge renormalization
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• Quantum gravity, gauge coupling constants, and the cosmological constant

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