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arXiv · 2004.07989

Spinor-Helicity Formalism for Massless Fields in AdS$_4$ III: Contact Four-Point Amplitudes

Balakrishnan Nagaraj·Dmitry Ponomarev
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Abstract

We study contact four-point amplitudes in the spinor-helicity formalism in anti-de Sitter space. We find that these amplitudes can be brought to an especially simple form, which we call canonical. Next, we classify consistent contact amplitudes by requiring correct transformation properties with respect to the AdS isometry algebra. Finally, we establish a connection between the canonical form of AdS amplitudes and scalar multi-trace conformal primaries in flat space.

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Balakrishnan Nagaraj, Dmitry Ponomarev. 2020-04-16. Spinor-Helicity Formalism for Massless Fields in AdS$_4$ III: Contact Four-Point Amplitudes. https://doi.org/10.1007/jhep08(2020)012

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