### 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.

Original language | English |
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Pages (from-to) | 649-651 |

Number of pages | 3 |

Journal | Physics of Particles and Nuclei |

Volume | 43 |

Issue number | 5 |

DOIs | |

Publication status | Published - 1 Sep 2012 |

### ASJC Scopus subject areas

- Nuclear and High Energy Physics

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## Cite this

Samsonov, I. B. (2012). N = 4 SYM low-energy effective action in N = 4 harmonic superspace.

*Physics of Particles and Nuclei*,*43*(5), 649-651. https://doi.org/10.1134/S1063779612050346