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Ferro, Livia und Moerman, Robert (2021): The Grassmannian for celestial superamplitudes. In: Journal of High Energy Physics, Nr. 11, 187

Volltext auf 'Open Access LMU' nicht verfügbar.

Abstract

Recently, scattering amplitudes in four-dimensional Minkowski spacetime have been interpreted as conformal correlation functions on the two-dimensional celestial sphere, the so-called celestial amplitudes. In this note we consider tree-level scattering amplitudes in N = 4 super Yang-Mills theory and present a Grassmannian formulation of their celestial counterparts. This result paves the way towards a geometric picture for celestial superamplitudes, in the spirit of positive geometries.

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