Strings on celestial sphere
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DOI: 10.1016/j.nuclphysb.2018.08.019
Abstract: Abstract We transform superstring scattering amplitudes into the correlation functions of primary conformal fields on two-dimensional celestial sphere. The points on celestial sphere are associated to the asymptotic directions of (light-like) momenta of external particles,… read more here.
Keywords: celestial sphere; strings celestial;