Higher spin 3-point functions in 3d CFT using spinor-helicity variables
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Publication:2237586
DOI10.1007/JHEP09(2021)041zbMATH Open1472.81150arXiv2106.00016OpenAlexW3197219197MaRDI QIDQ2237586
Author name not available (Why is that?)
Publication date: 27 October 2021
Published in: (Search for Journal in Brave)
Abstract: In this paper we use the spinor-helicity formalism to calculate 3-point functions involving scalar operators and spin- conserved currents in general 3d CFTs. In spinor-helicity variables we notice that the parity-even and the parity-odd parts of a correlator are related. Upon converting spinor-helicity answers to momentum space, we show that correlators involving spin- currents can be expressed in terms of some simple conformally invariant conserved structures. This in particular allows us to understand and separate out contact terms systematically, especially for the parity-odd case. We also reproduce some of the correlators using weight-shifting operators.
Full work available at URL: https://arxiv.org/abs/2106.00016
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