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Double copy structure of CFT correlators.

Farrow, Joseph A. and Lipstein, Arthur E. and McFadden, Paul (2019) 'Double copy structure of CFT correlators.', Journal of high energy physics., 2019 (02). p. 130.


We consider the momentum-space 3-point correlators of currents, stress tensors and marginal scalar operators in general odd-dimensional conformal field theories. We show that the flat space limit of these correlators is spanned by gauge and gravitational scattering amplitudes in one higher dimension which are related by a double copy. Moreover, we recast three-dimensional CFT correlators in terms of tree-level Feynman diagrams without energy conservation, suggesting double copy structure beyond the flat space limit.

Item Type:Article
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Publisher statement: This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credit.
Date accepted:15 February 2019
Date deposited:22 February 2019
Date of first online publication:20 February 2019
Date first made open access:04 March 2019

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