Landscape Cartography: A Coarse Survey of Gauge Group Rank and Stabilization of the Proton

Details Landscape Cartography: A Coarse Survey of Gauge Group Rank and Stabilization of the Proton Landscape Cartography: A Coarse Survey of Gauge Group Rank and Stabilization of the Proton

2004-09-22

arxiv.org/abs/hep-th/0409218v2

Phys.Rev.D71:026009,2005

Physics

High Energy Physics

High Energy Physics - Theory

6 pages. LaTeX. References and some comments added

Scientific paper

10.1103/PhysRevD.71.026009

The landscape of string/M theory is surveyed over a large class of type $IIB$ flux compactification vacua. We derive a simple formula for the average size of the gauge group rank on the landscape under assumptions that we clearly state. We also compute the rank under the restriction of small cosmological constant, and find a slight increase. We discuss how this calculation could impact proton stability by computing the suppression factor for the number of vacua with additional gauge group rank that could be used to protect the proton. Finally, we present our views on the utility and limitations of landscape averages, especially in the context of this analysis.

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