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Color-factor symmetry of the amplitudes of Yang-Mills and biadjoint scalar theory using perturbiner methods (2304.01287v3)

Published 3 Apr 2023 in hep-th and hep-ph

Abstract: Color-factor symmetry is a property of tree-level gauge-theory amplitudes containing at least one gluon. BCJ relations among color-ordered amplitudes follow directly from this symmetry. Color-factor symmetry is also a feature of biadjoint scalar theory amplitudes as well as of their equations of motion. In this paper, we present a new proof of color-factor symmetry using a recursive method derived from the perturbiner expansion of the classical equations of motion.

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