Nonlinear \(\mathcal{N}=2 \) global supersymmetry

DOI10.1007/JHEP06(2017)052zbMATH Open1380.81380arXiv1703.08806MaRDI QIDQ683141

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Publication date: 5 February 2018

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Abstract: We study the partial breaking of $calN=2$ global supersymmetry, using a novel formalism that allows for the off-shell nonlinear realization of the broken supersymmetry, extending previous results scattered in the literature. We focus on the Goldstone degrees of freedom of a massive $calN=1$ gravitino multiplet which are described by deformed $calN=2$ vector and single-tensor superfields satisfying nilpotent constraints. We derive the corresponding actions and study the interactions of the superfields involved, as well as constraints describing incomplete $calN=2$ matter multiplets of non-linear supersymmetry (vectors and single-tensors).

Full work available at URL: https://arxiv.org/abs/1703.08806

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