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Exploring the SO(32) Heterotic String

Hans Peter Nilles, Saul Ramos-Sanchez, Patrick K. S. Vaudrevange, Akin Wingerter

hep-tharXiv:hep-th/0603086

Abstract

We give a complete classification of ZN orbifold compactification of the heterotic SO(32) string theory and show its potential for realistic model building. The appearance of spinor representations of SO(2n) groups is analyzed in detail. We conclude that the heterotic SO(32) string constitutes an interesting part of the string landscape both in view of model constructions and the question of heterotic-type I duality.

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