Dimers, Orientifolds and Stability of Supersymmetry Breaking Vacua

Understand

We study (orientifolded) toric Calabi-Yau singularities in search for D-brane configurations which lead to dynamical supersymmetry breaking at low energy.

• By exploiting dimer techniques we are able to determine that while most realizations lead to a Coulomb branch instability, a rather specific construction admits a fully stable supersymmetry breaking vacuum.
• We describe the geometric structure that a singularity should have in order to host such a construction, and present its simplest example, the Octagon.