Counting conformal correlators

DOI10.1007/JHEP02(2018)096zbMATH Open1387.81325arXiv1612.08987OpenAlexW2563589089MaRDI QIDQ1748788

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Publication date: 14 May 2018

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Abstract: We introduce simple group-theoretic techniques for classifying conformally-invariant tensor-structures. With them, we classify tensor structures of general n-point functions of non-conserved operators, and $ngeq4$-point functions of general conserved currents, with or without permutation symmetries, and in any spacetime dimension d. (The case n=3 for conserved operators will appear in subsequent work.) Our techniques are useful for bootstrap applications. The rules we derive simultaneously count tensor structures for flat-space scattering amplitudes in d+1 dimensions.

Full work available at URL: https://arxiv.org/abs/1612.08987

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