With a corrected path-integral measure and an on-shell running scale, the Einstein-Hilbert truncation of quantum gravity has only the Gaussian fixed point, removing the asymptotic safety fixed point.
On the cosmological constant, the KK mass scale, and the cut-off dependence in the dark dimension scenario
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In this short note we comment on the relation between the cosmological and the Kaluza-Klein mass scale in the dark dimension scenario, also in view of some recent claims that would raise some doubts about the validity of this scenario. Here we argue that these claims have serious flaws and cannot be trusted.
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Path integral measure and RG equations for gravity
With a corrected path-integral measure and an on-shell running scale, the Einstein-Hilbert truncation of quantum gravity has only the Gaussian fixed point, removing the asymptotic safety fixed point.