New N=2 Supersymmetric Vector-Tensor Interaction

TL;DR

This paper introduces a new N=2 supersymmetric self-interaction for the vector-tensor multiplet, incorporating gauge fields for local central charge transformations and providing dual and N=1 superspace descriptions.

Contribution

It presents the first explicit construction of an N=2 supersymmetric vector-tensor interaction with dual and superspace formulations, advancing understanding of supersymmetric gauge theories.

Findings

Constructed a new N=2 supersymmetric vector-tensor interaction.

Provided dual description in terms of a vector multiplet.

Formulated the interaction in N=1 superspace.

Abstract

An N=2 supersymmetric self-interaction of the vector-tensor multiplet is presented, in which the vector provides the gauge field for local central charge transformations. The dual description in terms of a vector multiplet and an N=1 superspace formulation are given.