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N = 4 SYM low-energy effective action in N = 4 harmonic superspace

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Abstract

We apply the N = 4 harmonic superspace with USp(4) harmonic variables for describing the N = 4 SYM low-energy effective action. Scale invariance and gauge symmetry fix the leading term in the low-energy effective action uniquely, up to a constant. The value of the remaining constant can be fixed by the topological quantization condition for the Wess-Zumino term which is present in the component structure of this action.

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Correspondence to I. B. Samsonov.

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Samsonov, I.B. N = 4 SYM low-energy effective action in N = 4 harmonic superspace. Phys. Part. Nuclei 43, 649–651 (2012). https://doi.org/10.1134/S1063779612050346

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