Mapping an Island in the Landscape

Details Mapping an Island in the Landscape Mapping an Island in the Landscape

2007-08-17

arxiv.org/abs/0708.2285v2

JHEP 0709:128,2007

Physics

High Energy Physics

High Energy Physics - Theory

46 pages, 10 figures; v2: typos corrected, new examples and expanded study on chiral exotics

Scientific paper

10.1088/1126-6708/2007/09/128

We provide a complete classification and statistical analysis of all type IIA orientifold compactifications with intersecting D6-branes on the orbifold T^6/Z'_6. The total number of four dimensional N=1 supersymmetric models is found to be O(10^23). After a statistical analysis of the gauge sector properties of all possible solutions, we study three subsets of configurations which contain the chiral matter sector of the standard model, a Pati-Salam or SU(5) GUT model, respectively. We find O(10^15) compactifications with an MSSM and O(10^11) models with a Pati-Salam sector. Along the way we derive an explicit algebraic formulation for the computation of the non-chiral matter spectrum for all Z_N orbifolds.

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