Alternative formulations of N=2 supesymmetric gauge theory in harmonic superspace
Analytical harmonic superfields are the basic variables of a standard harmonic formalism of SY M 4 2 -theory. We consider superfield actions for alternative formulations of this theory using the unconstrained harmonic prepotentials. The corresponding equations of motion are equivalent to the component field equations of SY M 4 2 -theory. The analyticity condition appears only on-shell as the zero-curvature equation in the alternative formulations.
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