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The microscopic structure of quantum space-time and matter from a renormalization group perspective

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The correct microscopic theory of quantum gravity may be an interacting, scale-invariant, ‘asymptotically safe’ model. This Comment discusses the renormalization group’s role in defining asymptotic safety and understanding its consequences.

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Fig. 1: Renormalization group flow of gravity and standard model couplings.

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  1. University of Southern Denmark, Odense, Denmark

    Astrid Eichhorn

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  1. Astrid Eichhorn
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Correspondence to Astrid Eichhorn.

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Eichhorn, A. The microscopic structure of quantum space-time and matter from a renormalization group perspective. Nat. Phys. 19, 1527–1529 (2023). https://doi.org/10.1038/s41567-023-02261-7

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