N-ification of Forces: A Holographic Perspective on D-brane Model Building

Abstract

We study geometric aspects of extensions of the supersymmetric standard model that exhibit a periodic duality cascade. Via the holographic correspondence, the growth of the gauge group rank towards the UV is interpreted as a gradual decompactification transition. We show that this class of models typically develop a duality wall in the UV, and present an efficient method for estimating the hierarchy between the on-set of the cascade and the formation of the wall. As an illustrative example, we study the model introduced by Cascales, Saad and Uranga in [14], which has an known geometric realization in terms of D-branes on an SPP/Z_3 singularity.

47 pages, 10 figures

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• De Sitter Uplift with Dynamical Susy Breaking
• Orientifolds of Warped Throats from Toric Calabi-Yau Singularities
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• D-brane Instantons as Gauge Instantons in Orientifolds of Chiral Quiver Theories
• On the Classification of Duality Webs for Graded Quivers
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• Supersymmetric and nonsupersymmetric perturbations to KT
• Supersymmetry breaking, R-symmetry, and conformal dynamics