AdS_5/CFT_4 Four-point Functions of Chiral Primary Operators: Cubic Vertices

Details AdS_5/CFT_4 Four-point Functions of Chiral Primary Operators: Cubic Vertices AdS_5/CFT_4 Four-point Functions of Chiral Primary Operators: Cubic Vertices

1999-07-14

arxiv.org/abs/hep-th/9907108v2

Nucl.Phys.B563:349-360,1999

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, 1 figure; v2. typos corrected

Scientific paper

10.1016/S0550-3213(99)00614-8

We study the exchange diagrams in the computation of four-point functions of all chiral primary operators in D=4, $\CN=4$ Super-Yang-Mills using AdS/CFT correspondence. We identify all supergravity fields that can be exchanged and compute the cubic couplings. As a byproduct, we also rederive the normalization of the quadratic action of the exchanged fields. The cubic couplings computed in this paper and the propagators studied extensively in the literature can be used to compute almost all the exchange diagrams explicitly. Some issues in computing the complete four-point function in the massless sector is discussed.

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