Lecture

From AdS/CFT to Soft Theorems

Description

This lecture by the instructor covers the transition from AdS/CFT to soft theorems in flat space physics. It explores the construction of scattering states in flat space using CFT and the derivation of flat space physics from CFT. The discussion includes the application of Weinberg soft theorems from CFT Ward identities, the definition of observables in AdS versus flat space, and the reconstruction of fields in the CFT using HKLL. The lecture also delves into the extrapolation of the dictionary in AdS/CFT, the construction of flat space creation/annihilation operators, and the asymptotic symmetries of the S-matrix. Additionally, it touches upon the magnetic asymptotic symmetries from Ward identities and the connection between CFT operators and scattering states.

Official source

https://mediaspace.epfl.ch/media/0_iztd37qj

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