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On fixed points of quantum gravity
We study the short distance behaviour of euclidean quantum gravity in the light of Weinberg’s asymptotic safety scenario. Implications of a non-trivial ultraviolet fixed point are reviewed. Based on an optimised renormalisation group, we provide analytical flow equations in the Einstein-Hilbert truncation. A non-trivial ultraviolet fixed point is found for arbitrary dimension. We discuss a bifurcation pattern in the spectrum of eigenvalues at criticality, and the large dimensional limit of quantum gravity. Implications for quantum gravity in higher dimensions are indicated.
History
Publication status
- Published
Journal
AIP Conference ProceedingsISSN
0094-243XPublisher
American Institute of PhysicsExternal DOI
Volume
841Page range
322-329Department affiliated with
- Physics and Astronomy Publications
Notes
Presented at 28th Spanish Relativity Meeting (ERE05): A Century of Relativity Physics. Oviedo, Asturias, Spain, 6-10 Sep 2005. Also in *Oviedo 2006, A century of relativity physics* 322-329.Full text available
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Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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