Symmetries of Celestial Amplitudes
High Energy Physics - Theory
2019-05-22 v2
Abstract
Celestial amplitudes provide holographic imprints of four-dimensional scattering processes in terms of conformal correlation functions on a two-dimensional sphere describing Minkowski space at null infinity. We construct the generators of Poincare and conformal groups in the celestial representation and discuss how these symmetries are manifest in the amplitudes.
Keywords
Cite
@article{arxiv.1812.01080,
title = {Symmetries of Celestial Amplitudes},
author = {Stephan Stieberger and Tomasz R. Taylor},
journal= {arXiv preprint arXiv:1812.01080},
year = {2019}
}
Comments
v2: Appendix added with examples. 7 pages