Journal
SCIPOST PHYSICS
Volume 5, Issue 4, Pages -Publisher
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.5.4.031
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Funding
- Emmy-Noether-grant of the DFG [AE/1037-1]
- DFG grant [AE/1037-1]
- IMPRS-PTFS
- EMMI
- DFG Collaborative Research Centre [SFB 1225]
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We investigate the asymptotic safety scenario for a scalar-gravity system. This system contains two avatars of the dynamical Newton coupling, a gravitational self-coupling and a scalar-graviton coupling. We uncover an effective universality for the dynamical Newton coupling on the quantum level: its momentum-dependent avatars are in remarkable quantitative agreement in the scaling regime of the UV fixed point. For the background Newton coupling, this effective universality is not present, but qualitative agreement remains. Copyright A. Eichhorn et al. This work is licensed under the Creative Commons Attribution 4.0 International License. Published by the SciPost Foundation.
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