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Search: authors:"Chrysoula Markou"

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

We study the partial breaking of \( \mathcal{N}=2 \) 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 \( \mathcal{N}=1 \) gravitino multiplet which are described by deformed \( \mathcal{N}=2 ...

The coupling of non-linear supersymmetry to supergravity

We study the coupling of non-linear supersymmetry to supergravity. The goldstino nilpotent superfield of global supersymmetry coupled to supergravity is described by a geometric action of the chiral curvature superfield \(\mathscr {R}\) subject to the constraint \((\mathscr {R}-\lambda )^2=0\) with an appropriate constant \(\lambda \). This constraint can be found as the decoupling ...