String correlators: recursive expansion, integration-by-parts and scattering equations
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DOI: 10.1007/jhep09(2019)085
Abstract: Abstract We further elaborate on the general construction proposed in [1], which connects, via tree-level double copy, massless string amplitudes with color-ordered QFT amplitudes that are given by Cachazo-He-Yuan formulas. The current paper serves as… read more here.
Keywords: correlators recursive; integration parts; recursive expansion; string correlators ... See more keywords