ar X iv : h ep - t h / 01 08 23 1 v 1 3 1 A ug 2 00 1 CONSTRUCTION OF LOW - ENERGY EFFECTIVE ACTION IN N = 4 SUPER YANG - MILLS THEORIES
نویسنده
چکیده
We review a recent progress in constructing low-energy effective action in N =4 super Yang-Mills theories. Using harmonic superspace approach we consider N =4 SYM in terms of unconstrained N =2 superfield and apply N =2 background field method to finding effective action for N =4 SU(N) SYM broken down to U(1) N−1. General structure of leading low-energy corrections to effective action is discussed.
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