${\mathbb{Z}}_2^2$-graded supersymmetry via superfield on minimal ${\mathbb{Z}}_2^2$-superspace

Abstract

A superfield formalism for the minimal ${\mathbb{Z}}_2^2$-graded version of supersymmetry is developed. This is done by using the recently introduced definition of integration on the minimal ${\mathbb{Z}}_2^2$-superspace. It is shown that one may construct ${\mathbb{Z}}_2^2$-supersymmetric action by the procedure similar to the standard supersymmetry. However, the Lagrangian obtained has very general interaction terms, which give rise to a ${\mathbb{Z}}_2^2$-graded extension of many known theories defined in two-dimensional spacetime. As an illustration, we will give a ${\mathbb{Z}}_2^2$-extension of the sine-Gordon model different from the one already discussed in the literature.

arXiv comment20 pages, no figures

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Cited by in corpus (3)

• Integrable ${\mathbb{Z}}_2^2$-graded Extensions of the Liouville and Sinh-Gordon Theories
• Affine extensions of ${\mathbb{Z}}_2^2$-graded $osp(1|2)$ and Virasoro algebra
• Universal weight systems from a minimal ${\mathbb{Z}}_2^2$-graded Lie algebra