Dynamical Supersymmetry Breaking in Intersecting Brane Models

TL;DR

This paper explores how dynamical supersymmetry breaking occurs in intersecting brane models without gravity, involving strongly coupled gauge theories and D-brane configurations, leading to simultaneous breaking of supersymmetry and electroweak symmetry.

Contribution

It demonstrates a novel mechanism for dynamical supersymmetry breaking in intersecting brane models with explicit D-brane realizations, combining gauge dynamics and instanton effects.

Findings

Supersymmetry and electroweak symmetry are broken in a large parameter space.

The model includes condensates forming mesons in a strongly coupled gauge sector.

Explicit D-brane configurations realize the proposed supersymmetry breaking patterns.

Abstract

In this paper we study dynamical supersymmetry breaking in absence of gravity with the matter content of the minimal supersymmetric standard model. The hidden sector of the theory is a strongly coupled gauge theory, realized in terms of microscopic variables which condensate to form mesons. The supersymmetry breaking scalar potential combines F, D terms with instanton generated interactions in the Higgs-mesons sector. We show that for a large region in parameter space the vacuum breaks in addition to supersymmetry also electroweak gauge symmetry. We furthermore present local D-brane configurations that realize these supersymmetry breaking patterns.