Kinematic Lie Algebras From Twistor Spaces

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

Research output: Contribution to journalArticlepeer-review


We analyze theories with color-kinematics duality from an algebraic perspective and find that any such theory has an underlying BV◼-algebra structure. Conversely, we show that any theory with a BV◼-algebra structure features a kinematic Lie algebra that controls interaction vertices, both on- and off-shell. We explain that the archetypal example of a theory with BV◼-algebra structure is Chern-Simons theory, for which the resulting kinematic Lie algebra is isomorphic to the Schouten-Nijenhuis algebra on multivector fields. The BV◼-algebra structure implies the known color-kinematics duality of Chern-Simons theory. Similarly, we show that holomorphic and Cauchy-Riemann (CR) Chern-Simons theories come with BV◼-algebra structures and that, on the appropriate twistor spaces, these theories organize and identify kinematic Lie algebras for self-dual and full Yang-Mills theories, as well as the currents of any field theory with a twistorial description. We show that this result extends to the loop level under certain assumptions.
Original languageEnglish
JournalPhysical Review Letters
Publication statusAccepted/In press - 7 Jun 2023


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