Phenomenology from the Landscape of String Vacua

TL;DR

This thesis explores the diverse landscape of string vacua, analyzing their statistical properties, ten-dimensional descriptions, and phenomenological models across various string theory compactifications.

Contribution

It provides a comprehensive overview of string vacua, including statistical analysis, detailed case studies, and phenomenological models from different corners of the Landscape.

Findings

Statistical properties of four-dimensional string vacua

Detailed study of G2-holonomy M-theory compactifications

Examples of phenomenologically interesting models in warped Type IIB and G2 compactifications

Abstract

This article is the author's PhD thesis. After a review of string vacua obtained through compactification (with and wothout fluxes), it presents and describes various aspects of the Landscape of string vacua. At first it gives an introduction and an overview of the statistical study of the set of four dimensional string vacua, giving the detailed study of one corner of this set (G2-holonomy compactifications of M-theory). Then it presents the ten dimensional approach to string vacua, concentrating on the ten dimensional description of the Type IIA flux vacua. Finally it gives two examples of models having some interesting and characteristic phenomenological features, and that belong to two different corners of the Landscape: warped compactifications of Type IIB String Theory and M-theory compactifications on G2-holonomy manifolds.