Tree-level color-kinematics duality from pure spinor actions

Leron Borsten, Branislav Jurčo, Hyungrok Kim, Tommaso Macrelli, Christian Saemann, Martin Wolf

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Abstract

We prove that the tree-level scattering amplitudes for (super) Yang-Mills theory in arbitrary dimensions and for M2-brane models exhibit color-kinematics (CK) duality. Our proof for Yang-Mills theory substantially simplifies existing ones in that it relies on the action alone and does not involve any computation; the proof for M2-brane models establishes this result for the first time. Explicitly, we combine the facts that Chern-Simons-type theories naturally come with a kinematic Lie algebra and that both Yang-Mills theory and M2-brane models are of Chern-Simons form when formulated in pure spinor space, extending previous work on Yang-Mills currents [M. Ben-Shahar and M. Guillen, J. High Energy Phys. 12 (2021) 014JHEPFG1029-847910.1007/JHEP12(2021)014]. Our formulation also provides explicit kinematic Lie algebras for the theories under consideration in the form of diffeomorphisms on pure spinor space. The pure spinor formulation of CK-duality is based on ordinary, cubic vertices, but we explain how ordinary CK-duality relates to notions of quartic-vertex 3-Lie algebra CK-duality for M2-brane models previously discussed in the literature.

Original languageEnglish
Article number126012
JournalPhysical Review D
Volume108
Issue number12
Early online date14 Dec 2023
DOIs
Publication statusPublished - 15 Dec 2023

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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