Non-renormalization of next-to-extremal correlators in N=4 SYM and the AdS/CFT correspondence

Details Non-renormalization of next-to-extremal correlators in N=4 SYM and the AdS/CFT correspondence Non-renormalization of next-to-extremal correlators in N=4 SYM and the AdS/CFT correspondence

1999-12-26

arxiv.org/abs/hep-th/9912250v2

Phys.Rev. D62 (2000) 045008

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, LaTex, 9 eps figures, typos corrected and references added

Scientific paper

10.1103/PhysRevD.62.045008

We show that next-to-extremal correlators of chiral primary operators in N=4 SYM theory do not receive quantum corrections to first order in perturbation theory. Furthermore we consider next-to-extremal correlators within AdS supergravity. Here the exchange diagrams contributing to these correlators yield results of the same free-field form as obtained within field theory. This suggests that quantum corrections vanish at strong coupling as well.

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