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hep-th2024
Massless limit and conformal soft limit for celestial massive amplitudes
Wei Fan
In celestial holography, the massive and massless scalars in 4d space-time are represented by the Fourier transform of the bulk-to-boundary propagators and the Mellin transform of…
hep-th2023★ 2 cited
Celestial conformal blocks of massless scalars and analytic continuation of the Appell function
Wei Fan
In celestial conformal field theory (CCFT), the 4d massless scalars are represented by 2d conformal operators with conformal dimensions . The Mellin transform o…