On the Uniqueness of the effective Lagrangian for N= 2 SQCD
arXiv:hep-th/9704027 · doi:10.1016/S0550-3213(97)00626-3
Abstract
The low energy effective Lagrangian for N= 2 SU(2) supersymmetric Yang-Mills theory coupled to N_F<4 massless matter fields is derived from the BPS mass formula using asymptotic freedom and assuming that the number of strong coupling singularities is finite.
arXiv comment16 pages, LaTeX, 2 figures, title changed, sections on central charge and superconformal anomaly extended