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An action for N=4 supersymmetric self-dual Yang-Mills theory

E. Sokatchev
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Abstract

The $N=4$ supersymmetric self-dual Yang-Mills theory in a four- dimensional space with signature $(2,2)$ is formulated in harmonic superspace. The on-shell constraints of the theory are reformulated in the equivalent form of vanishing curvature conditions for three gauge connections (one harmonic and two space-time). The constraints are then obtained as variational equations from a superspace action of the Chern-Simons type. The action is manifestly $SO(2,2)$ invariant. It can be viewed as the Lorentz-covariant form of the light-cone superfield action proposed by Siegel.

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E. Sokatchev. 1995-09-18. An action for N=4 supersymmetric self-dual Yang-Mills theory. https://doi.org/10.1103/physrevd.53.2062

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