A new twist on spinning (A)dS correlators

Abstract Massless spinning correlators in cosmology are extremely complicated. In contrast, the scattering amplitudes of massless particles with spin are very simple. We propose that the reason for the unreasonable complexity of these correlators lies in the use of inconvenient kinematic variables....

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Bibliographic Details
Main Authors: Daniel Baumann, Grégoire Mathys, Guilherme L. Pimentel, Facundo Rost
Format: Article
Language:English
Published: SpringerOpen 2025-01-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP01(2025)202
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