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hep-th2025
Leading soft theorems on plane wave backgrounds
Sonja Klisch
The infrared singularities of scattering amplitudes have historically contributed to much development in understanding fundamental structures in physics. However, the fate of the l…
hep-th2025
Memory and supertranslations on plane wave spacetimes: an on-shell perspective
Andrea Cristofoli, Sonja Klisch
We revisit the computation of the classical gravitational waveform for a particle moving in a plane wave background using on-shell amplitudes. We emphasize the relationship between…