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Unimodular quantum gravity: Steps beyond perturbation theory

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arxiv 2007.05589 v1 pith:B7WT3HVE submitted 2020-07-10 hep-th

Gustavo P. de Brito , Antonio D. Pereira This is my paper · ORCID
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keywords gravityquantumunimodularbeyondflowperturbationtheoryaccount
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The renormalization group flow of unimodular quantum gravity is computed by taking into account the graviton and Faddeev-Popov ghosts anomalous dimensions. In this setting, a ultraviolet attractive fixed point is found. Symmetry-breaking terms induced by the coarse-graining procedure are introduced and their impact on the flow is analyzed. A discussion on the equivalence of unimodular quantum gravity and standard full diffeomorphism invariant theories is provided beyond perturbation theory.

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  1. Scaling solutions for gauge invariant flow equations in dilaton quantum gravity

    hep-th 2025-12 conditional novelty 6.0 of 10

    Scaling solutions of a gauge-invariant functional flow equation support the dilaton quantum gravity fixed point, with Planck mass ~ φ² at large field and a stable negative kinetial in the infrared.

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