Ambidextrous light transforms for celestial amplitudes

نویسندگان

چکیده

Low multiplicity celestial amplitudes of gluons and gravitons tend to be distributional in the coordinates $z,\bar z$. We provide a new systematic remedy this situation by studying basis light transformed boost eigenstates. Motivated novel equivalence between transforms Witten's half-Fourier twistor space, we transform every positive helicity state coordinate $z$ negative $\bar With examples, show that "ambidextrous" prescription beautifully recasts two- three-point terms standard conformally covariant structures. These are used extract examples OPE for operators. also study such at higher constructing Grassmannian representation tree-level gluon as well their transforms. The formulae $n$-point N$^{k-2}$MHV take form Euler-type integrals over regions Gr$(k,n)$ cut out energy constraints.

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ژورنال

عنوان ژورنال: Journal of High Energy Physics

سال: 2022

ISSN: ['1127-2236', '1126-6708', '1029-8479']

DOI: https://doi.org/10.1007/jhep01(2022)031