Standard Grand Unification from Superstrings
Gerardo Aldazabal

TL;DR
This paper discusses constructing standard grand unified theories like SO(10) and SU(5) from 4D superstring models, focusing on techniques, constraints, and phenomenological implications.
Contribution
It introduces explicit methods using higher level affine Lie algebras and symmetric orbifolds to build string-based GUTs, clarifying generic versus specific constraints.
Findings
Successful construction of string GUTs with explicit techniques
Identification of key constraints and selection rules
Brief discussion of phenomenological implications
Abstract
Recent developments about the construction of standard and grand unified theories from 4-dimensional superstrings are presented. Explicit techniques involving higher level affine Lie algebras, for obtaining such stringGUTs from symmetric orbifolds are discussed. Special emphasis is put on the different constraints and selection rules for model building in this string framework, trying to disentangle those which are generic from those depending on the orbifold construction proposed. Some phenomenological implications from such constraints are briefly discussed.
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Taxonomy
TopicsComputational Physics and Python Applications · Black Holes and Theoretical Physics · Algorithms and Data Compression
