Celestial amplitudes from UV to IR

Abstract Celestial amplitudes represent 4D scattering of particles in boost, rather than the usual energy-momentum, eigenstates and hence are sensitive to both UV and IR physics. We show that known UV and IR properties of quantum gravity translate into powerful constraints on the analytic structure...

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Bibliographic Details
Main Authors: N. Arkani-Hamed, M. Pate, A.-M. Raclariu, A. Strominger
Format: Article
Language:English
Published: SpringerOpen 2021-08-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP08(2021)062