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Large spin systematics: Patterns from reciprocity for multiple spinning operators
Phys. Rev. D 113, 126025 – Published 22 June, 2026
DOI: https://doi.org/10.1103/jflt-npvw
Abstract
We study the behavior of the conformal block expansions of scalar five-point Lorentzian conformal correlators in the limit where multiple cross ratios approach zero. Since this limit is controlled by intermediate operators with large spin, we use it to study the large spin expansion of the operator product expansion (OPE) coefficients involving these operators. By imposing bootstrap assumptions such as analyticity of the correlators, we derive an infinite set of new constraints on the large spin behavior of OPE coefficients involving multiple spinning operators. We also show that for the case of , these constraints can be trivialized to all orders in by identifying a pattern in the coefficients.
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