Analysis reveals scaling limits of operators in holographic defect CFTs, suggesting connections to flat-space form factors.
A bstract We study the large AdS radius limit of correlation functions in holographic defect CFTs. For two-point functions of operators inserted away from the defect, we derive a position space formula relating a certain scaling limit of the correlators to the flat-space scattering form factors. We show that our position space prescription is equivalent to the flat-space limit formula recently conjectured in Mellin space and also test our result in a few nontrivial theories.
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Chen et al. (2025) studied this question.
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