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Counterterms in gravity in the light-front formulation and a D = 2 conformal-like symmetry in gravity
University of Borås, School of Engineering.
2013 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 118, no 3Article in journal (Refereed) Published
Abstract [en]

In this paper we discuss gravity in the light-front formulation (light-cone gauge) and show how possible counterterms arise. We find that Poincaré invariance is not enough to find the three-point counterterms uniquely. Higher-spin fields can intrude and mimic three-point higher derivative gravity terms. To select the correct term we have to use the remaining reparametrization invariance that exists after the gauge choice. We finally sketch how the corresponding programme for N = 8 Supergravity should work.

Place, publisher, year, edition, pages
Springer , 2013. Vol. 118, no 3
Keywords [en]
Models of Quantum Gravity, Conformal and W Symmetry
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:hb:diva-1787DOI: 10.1007/JHEP03(2013)118ISI: 000317522400030Local ID: 2320/13267OAI: oai:DiVA.org:hb-1787DiVA, id: diva2:869856
Available from: 2015-11-13 Created: 2015-11-13 Last updated: 2017-11-24Bibliographically approved

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Publisher's full texthttp://arxiv.org/abs/1212.2776

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Bengtsson, Anders

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