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Chiral higher-spin holography in flat space: the Flato-Fronsdal theorem and lower-point functions

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arxiv 2210.04036 v3 pith:WBJTDDDI submitted 2022-10-08 hep-th

Chiral higher-spin holography in flat space: the Flato-Fronsdal theorem and lower-point functions

classification hep-th
keywords flatspacehigher-spinamplitudeschiralfieldsflato-fronsdalfunctions
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We prove the flat space analogue of the Flato-Fronsdal theorem. It features the flat space singleton representation suggested recently. We do that by deriving a kernel that intertwines a pair of singleton representations with massless higher-spin fields in flat space. Next, we derive two-point functions of flat space singletons, which are then used to construct two- and three-point scattering amplitudes in the dual theory of massless higher-spin fields. These amplitudes agree with amplitudes in the chiral higher-spin theory.

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