A Review of Distributions on the String Landscape

Details A Review of Distributions on the String Landscape A Review of Distributions on the String Landscape

2006-01-09

arxiv.org/abs/hep-th/0601053v4

Int.J.Mod.Phys.A21:3441-3472,2006

Physics

High Energy Physics

High Energy Physics - Theory

Invited review, IJMP A. LaTeX. 39 pages. References added

Scientific paper

10.1142/S0217751X06033027

We review some basic flux vacua counting techniques and results, focusing on the distributions of properties over different regions of the landscape of string vacua and assessing the phenomenological implications. The topics we discuss include: an overview of how moduli are stabilized and how vacua are counted; the applicability of effective field theory; the uses of and differences between probabilistic and statistical analysis (and the relation to the anthropic principle); the distribution of various parameters on the landscape, including cosmological constant, gauge group rank, and SUSY-breaking scale; "friendly landscapes"; open string moduli; the (in)finiteness of the number of phenomenologically viable vacua; etc. At all points, we attempt to connect this study to the phenomenology of vacua which are experimentally viable.

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