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hep-th2019★ 31 cited
Asymptotic Renormalization in Flat Space: Symplectic Potential and Charges of Electromagnetism
Laurent Freidel, Florian Hopfmüller, Aldo Riello
We present a systematic procedure to renormalize the symplectic potential of the electromagnetic field at null infinity in Minkowski space. We work in spacetime dimensions…
hep-th2018★ 41 cited
Scalar Asymptotic Charges and Dual Large Gauge Transformations
Miguel Campiglia, Laurent Freidel, Florian Hopfmüller +1
In recent years soft factorization theorems in scattering amplitudes have been reinterpreted as conservation laws of asymptotic charges. In gauge, gravity, and higher spin theories…