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hep-ph1998
Chirality, D-branes and gauge/string unification
Erich Poppitz
We point out that models where gauge and charged matter fields live on the world volume of D3 branes can provide a weak string coupling description of the gauge coupling unificatio…
hep-ph1995
Low-Energy Supersymmetry Breaking and Fermion Mass Hierarchies
Tony Gherghetta, Gerard Jungman, Erich Poppitz
In models with low-energy supersymmetry breaking, an anomalous Abelian horizontal gauge symmetry can simultaneously explain the fermion mass hierarchy and the values of the and…