Effective gravity and OSp(N,4) invariant matter

Details Effective gravity and OSp(N,4) invariant matter Effective gravity and OSp(N,4) invariant matter

1997-04-04

arxiv.org/abs/hep-th/9704039v2

Phys.Rev. D57 (1998) 1057-1062

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, LaTeX, 4 figures, PACS: 04.65.+e, substantial revisions, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.57.1057

We re-examine the OSp(N,4) invariant interacting model of massless chiral and gauge superfields, whose superconformal invariance was instrumental, both in proving the all-order no-renormalization of the mass and chiral self-interaction lagrangians, and in determining the linear superfield renormalization needed. We show that the renormalization of the gravitational action modifies only the cosmological term, without affecting higher-order tensors. This could explain why the effect of the cosmological constant is shadowed by the effects of newtonian gravity.

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