A D-Brane Landscape on Calabi-Yau Manifolds
Duiliu-Emanuel Diaconescu, Alberto Garcia-Raboso, Kuver Sinha
TL;DR
This paper investigates the dynamics and vacuum structure of magnetized nonsupersymmetric D5-branes on Calabi-Yau orientifolds with fluxes, highlighting how supergravity D-terms reflect supersymmetry breaking and how flux tuning can produce metastable vacua.
Contribution
It demonstrates the connection between supergravity D-terms and Pi-stability in nonsupersymmetric D-brane configurations on Calabi-Yau manifolds, and explores flux tuning for metastable vacua.
Findings
Supergravity D-terms capture supersymmetry breaking effects.
Flux tuning can lead to metastable nonsupersymmetric vacua.
Analysis of vacuum structure in fluxed D-brane configurations.
Abstract
We explore the dynamics of magnetized nonsupersymmetric D5-brane configurations on Calabi-Yau orientifolds with fluxes. We show that supergravity D-terms capture supersymmetry breaking effects predicted by more abstract Pi-stability considerations. We also examine superpotential interactions in the presence of fluxes, and investigate the vacuum structure of such configurations. Based on the shape of the potential, we argue that metastable nonsupersymmetric vacua can be in principle obtained by tuning the values of fluxes.
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