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hep-th2026
Observing Massive Scattering from Null Infinity
Walker Melton, Kyrill Michaelsen, Romain Ruzziconi
Because massive particles asymptote to timelike rather than null infinity, current flat space holographic proposals such as celestial or Carrollian holography struggle to describe…
hep-th2026
Flat Space Physics from AdS Actions
Walker Melton
Flat spacetimes are foliated by hyperbolic slices that are geometrically three-dimensional de Sitter or anti-de Sitter spaces. As such, it is possible to construct flat space holog…