TL;DR
This paper explores the N=2 supersymmetric gauge/gravity duals, focusing on the exact solutions exhibiting duality cascades and the N=2 enhancon mechanism for singularity resolution, extending known N=1 results.
Contribution
It provides the first exact N=2 supergravity solution with a duality cascade and describes the N=2 enhancon mechanism for resolving singularities.
Findings
Demonstrates the existence of a duality cascade in N=2 systems
Introduces the N=2 enhancon as a singularity resolution mechanism
Connects fractional branes on orbifolds to the duality cascade
Abstract
We study the N = 2 supersymmetric analog of the Klebanov-Strassler system. We first review the resolution of singularities by the enhancon mechanism, and the physics of fractional branes on an orbifold. We then describe the exact N = 2 solution. This exhibits a duality cascade as in the N = 1 case, but the singularity resolution is the characteristic N = 2 enhancon. We discuss some related solutions and open issues.
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