Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2013)146
Keywords
Intersecting branes models; Discrete and Finite Symmetries; Superstring Vacua; Supersymmetric Effective Theories
Categories
Funding
- Cluster of Excellence 'Precision Physics, Fundamental Interactions and Structure of Matter' (PRISMA) DGF [EXC 1098]
- DFG [HO 4166/2-1]
- Research Center 'Elementary Forces and Mathematical Foundations' (EMG) at JGU Mainz
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Discrete gauge symmetries in global intersecting D-brane models constrain the exact form of the perturbative as well as non-perturbative superpotential. We derive the complete set of conditions on the existence of discrete Z(n) gauge symmetries on toroidal orbifolds, T-6/Z(N) and T-6/Z(2) x Z(2M), with fractional or rigid D6-branes on tilted tori, for which global models of particle physics are known. Several examples of global left-right symmetric and Pati-Salam models are presented. Some discrete 'stringy' Z(n) symmetries are trivial from the field theory point of view, while others have not been identified before.
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