Chiral N=1 4d Orientifolds with D-branes at Angles

Abstract

D6-branes intersecting at angles allow for phenomenologically appealing constructions of four dimensional string theory vacua. While it is straightforward to obtain non-supersymmetric realizations of the standard model, supersymmetric and stable models with three generations and no exotic chiral matter require more involved orbifold constructions. The T^6/(Z_4 x Z_2 x OmegaR) case is discussed in detail. Other orbifolds including fractional D6-branes are treated briefly.

Invited brief review, 16 pages, 2 figures; references added

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• From Type II string theory towards BSM/dark sector physics
• Towards the field theory of the Standard Model on fractional D6-branes on T6/Z6': Yukawa couplings and masses
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• Yukawa's of light stringy states
• Production of light stringy states
• Deformations, Moduli Stabilisation and Gauge Couplings at One-Loop
• Yukawa couplings from magnetized D-brane models on non-factorisable tori
• Intersecting brane models and F-theory in six dimensions