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Scaling solutions for asymptotically free quantum gravity

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arxiv 2211.05508 v2 pith:IPYRBZN6 submitted 2022-11-10 hep-th gr-qchep-ph

Saswato Sen , Christof Wetterich , Masatoshi Yamada This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords gravityquantumscalingsolutionsasymptoticasymptoticallyfreetheory
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We compute scaling solutions of functional flow equations for quantum gravity in a general truncation with up to four derivatives of the metric. They connect the asymptotically free ultraviolet fixed point, which is accessible to perturbation theory, to the non-perturbative infrared region. The existence of such scaling solutions is necessary for a renormalizable quantum field theory of gravity. If the proposed scaling solution is confirmed beyond our approximations asymptotic freedom is a viable alternative to asymptotic safety for quantum gravity.

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  1. Asymptotic safety meets tensor field theory: towards a new class of gravity-matter systems

    hep-th 2025-01 conditional novelty 6.0 of 10

    Adding asymptotically safe gravity to the O(N)^3 tensor field theory converts its asymptotic freedom into an interacting fixed point at a non-zero quartic coupling.

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