Fixed Points of Higher Derivative Gravity

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dc.creatorCodello, A.
dc.creatorPercacci, R.
dc.date2006-07-19
dc.date2007-05-17
dc.date.accessioned2026-07-07T10:25:59Z
dc.date.available2026-07-07T10:25:59Z
dc.descriptionWe recalculate the beta functions of higher derivative gravity in four dimensions using the one--loop approximation to an Exact Renormalization Group Equation. We reproduce the beta functions of the dimensionless couplings that were known in the literature but we find new terms for the beta functions of Newton's constant and of the cosmological constant. As a result, the theory appears to be asymptotically safe at a non--Gaussian Fixed Point, rather than perturbatively renormalizable and asymptotically free.
dc.descriptionIntroduction expanded, some references added
dc.identifierhttps://arxiv.org/abs/hep-th/0607128
dc.identifierhttp://arxiv.org/abs/hep-th/0607128
dc.identifierPhys.Rev.Lett.97:221301,2006
dc.identifierdoi:10.1103/PhysRevLett.97.221301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176728
dc.subjectHigh Energy Physics - Theory
dc.titleFixed Points of Higher Derivative Gravity
dc.typetext

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