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Asymptotic charges from soft factorizations theorems



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Recording Details

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PIRSA Number: 
17100053

Abstract

There is a growing list of examples where soft factorization theorems in scattering amplitudes can be understood as Ward identities of asymptotic charges. I will review some of these, with emphasis on cases that are not associated to usual conservation laws: leading scalar, subleading photon and sub-subleading graviton soft theorems.