Orientifold's Landscape: Non-Factorisable Six-Tori

Details Orientifold's Landscape: Non-Factorisable Six-Tori Orientifold's Landscape: Non-Factorisable Six-Tori

2007-07-05

arxiv.org/abs/0707.0747v3

JHEP 0710:025,2007

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, one figure, v2: references added, v3: small proof added in footnote 5, minor changes, to appear in JHEP

Scientific paper

10.1088/1126-6708/2007/10/025

We construct type IIA orientifolds on T6/(Z2 x Z2) which admit non factorisable lattices. We describe a method to deal with this kind of configurations and discuss how the compactification lattice affects the tadpole cancellation conditions. Moreover, we include D6-branes which are not parallel to O6-planes. These branes can give rise to chiral spectra in four dimensions, thus uncovering a new corner in the landscape of intersecting D-brane model constructions. We demonstrate the construction at an explicit example. In general we argue that obtaining an odd number of families is problematic.

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