On the Regularization of Extremal Three-point Functions Involving Giant Gravitons

Abstract

In the AdS_5/CFT_4 set-up, extremal three-point functions involving two giant 1/2 BPS gravitons and one point-like 1/2 BPS graviton, when calculated using semi-classical string theory methods, match the corresponding three-point functions obtained in the tree-level gauge theory. The string theory computation relies on a certain regularization procedure whose justification is based on the match between gauge and string theory. We revisit the regularization procedure and reformulate it in a way which allows a generalization to the ABJM set-up where three-point functions of 1/2 BPS operators are not protected and where a match between tree-level gauge theory and semi-classical string theory is hence not expected.

5 pages, no figures. v2 updated references

References in corpus (3)

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• Three-dimensional N=6 SCFT's and their membrane dynamics
• String field theory vertex from integrability

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