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August 21, 2025Journal of High Energy PhysicsOpen Access

Asymptotic safety within on-shell perturbation theory

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Authors

KFKevin FallsUniversidad de la República de UruguayRFRenata FerreroFriedrich-Alexander-Universität Erlangen-Nürnberg

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Implication

Investigation reveals a vanishing beta function for Newton’s constant, indicating a stable fixed point in gravity renormalisation.

Key Points

  • A vanishing beta function for Newton's constant indicates strong consistency of the model.
  • The approach used involves on-shell perturbation theory within a dimensional regularisation framework.
  • Field redefinitions effectively eliminate off-shell terms from the renormalisation group equations.
  • The critical exponent aligns well with findings from non-perturbative methods like Causal Dynamical Triangulations.

Cite This Study

Falls et al. (2025) studied this question.

synapsesocial.com/papers/68af59d2ad7bf08b1eade011https://doi.org/10.1007/jhep08(2025)173
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