Solving the strong CP problem in string-inspired theories with modular invariance

Fuente: arXiv
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Main Authors: Feruglio, Ferruccio, Marrone, Antonio, Strumia, Alessandro, Titov, Arsenii
Format: Preprint
Published: 2025
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author Feruglio, Ferruccio
Marrone, Antonio
Strumia, Alessandro
Titov, Arsenii
author_facet Feruglio, Ferruccio
Marrone, Antonio
Strumia, Alessandro
Titov, Arsenii
contents We show that solutions to the strong CP problem based on modular invariance can be extended to incorporate features that appear in string compactifications: quarks with mostly positive modular weights and non-trivial gauge kinetic functions. This requires assuming that singularities and zeroes only appear at special points, such as decompactification limits. We discuss the impact of these assumptions on string gauge unification.
format Preprint
id arxiv_https___arxiv_org_abs_2505_20395
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Solving the strong CP problem in string-inspired theories with modular invariance
Feruglio, Ferruccio
Marrone, Antonio
Strumia, Alessandro
Titov, Arsenii
High Energy Physics - Phenomenology
High Energy Physics - Theory
We show that solutions to the strong CP problem based on modular invariance can be extended to incorporate features that appear in string compactifications: quarks with mostly positive modular weights and non-trivial gauge kinetic functions. This requires assuming that singularities and zeroes only appear at special points, such as decompactification limits. We discuss the impact of these assumptions on string gauge unification.
title Solving the strong CP problem in string-inspired theories with modular invariance
topic High Energy Physics - Phenomenology
High Energy Physics - Theory
url https://arxiv.org/abs/2505.20395