Extended MQCD and SUSY/non-SUSY duality

TL;DR

This paper explores the SUSY/non-SUSY duality using brane configurations in string theory, extending Seiberg-Witten theory and illustrating partial supersymmetry breaking.

Contribution

It generalizes extended Seiberg-Witten theory and offers a brane-based realization of non-SUSY vacua and partial SUSY breaking from al=2 to al=1.

Findings

Brane configurations realize non-SUSY vacua.

Visualization of partial SUSY breaking.

Extension of Seiberg-Witten theory.

Abstract

We study the SUSY/non-SUSY duality proposed by Aganagic et al. from Type IIA string and M-theory perspectives. We find that our brane configuration generalizes the so-called $extended$ Seiberg-Witten theory on the one hand, and provides a way to realize non-SUSY vacua by intersecting NS5-branes on the other hand. We also argue how the partial SUSY breaking from $\Ncal=2$ down to $\Ncal=1$ can be clearly visualized through the brane picture.