Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-10-08
Nucl.Phys. B618 (2001) 3-20
Physics
High Energy Physics
High Energy Physics - Theory
18 pages, latex, no figures, slight changes, acknowledgements added
Scientific paper
10.1016/S0550-3213(01)00540-5
We construct an off-shell N=3 supersymmetric extension of the abelian D=4 Born-Infeld action starting from the action of supersymmetric Maxwell theory in N=3 harmonic superspace. A crucial new feature of the N=3 super BI action is that its interaction part contains only terms of the order 4k in the N=3 superfield strengths. The correct component bosonic BI action arises as the result of elimination of auxiliary tensor field which is present in the off-shell N=3 vector multiplet in parallel with the gauge field strength. In this new Legendre-type representation, the bosonic BI action is fully specified by a real function of the single variable quartic in the auxiliary tensor field. The generic choice of this function amounts to a wide set of self-dual nonlinear extensions of the Maxwell action. All of them admit an off-shell N=3 supersymmetrization.
Ivanov Eugeny A.
Zupnik B. M.
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