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hep-th2025
Celestial decomposition of Wigner's particles
Lorenzo Iacobacci, Kevin Nguyen
We provide a detailed decomposition of Wigner's particles, defined as unitary irreducible representations of the Poincaré group, in terms of unitary representations of its Lorentz…
hep-th2024
Celestial Holography Revisited II: Correlators and Källén-Lehmann
Lorenzo Iacobacci, Charlotte Sleight, Massimo Taronna
In this work we continue the investigation of the extrapolate dictionary for celestial holography recently proposed in [2301.01810], at both the perturbative and non-perturbative l…