N=2 Rigid Supersymmetry with Gauged Central Charge

Details N=2 Rigid Supersymmetry with Gauged Central Charge N=2 Rigid Supersymmetry with Gauged Central Charge

1998-05-23

arxiv.org/abs/hep-th/9805152v1

Nucl.Phys. B538 (1999) 411-450

Physics

High Energy Physics

High Energy Physics - Theory

46 pages, latex, no figures

Scientific paper

10.1016/S0550-3213(98)00708-1

We develop a general setting for N=2 rigid supersymmetric field theories with gauged central charge in harmonic superspace. We consider those N=2 multiplets which have a finite number of off-shell components and exist off shell owing to a non-trivial central charge. This class includes, in particular, the hypermultiplet with central charge and various versions of the vector-tensor multiplet. For such theories we present a manifestly supersymmetric universal action. Chern-Simons couplings to an external N=2 super Yang-Mills multiplet are given, in harmonic superspace, for both the linear and nonlinear vector-tensor multiplets with gauged central charge. We show how to deduce the linear version of the vector-tensor multiplet from six dimensions.

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