High energy behavior of gravity at large N

F. Canfora
Phys. Rev. D 74, 064020 – Published 18 September 2006

Abstract

A first step in the analysis of the renormalizability of gravity at large N is carried out. Suitable resummations of planar diagrams give rise to a theory in which there is only a finite number of primitive, superficially divergent, Feynman diagrams. The mechanism is similar to the one which makes the 3D Gross-Neveu model renormalizable at large N. The connections with gravitational confinement and Kawai-Lewellen-Tye relations are briefly analyzed. Some potential problems in fulfilling the Zinn-Justin equations are pointed out.

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  • Received 16 June 2006

DOI:https://doi.org/10.1103/PhysRevD.74.064020

©2006 American Physical Society

Authors & Affiliations

F. Canfora*

  • Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, GC di Salerno, Dipartimento di Fisica “E. R. Caianiello,” Università di Salerno, Via S. Allende, 84081 Baronissi (Salerno), Italy

  • *Electronic address: canfora@sa.infn.it

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Issue

Vol. 74, Iss. 6 — 15 September 2006

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