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Main Authors: Escobar, Matheo, Olivares, Sebastian
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2512.21735
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author Escobar, Matheo
Olivares, Sebastian
author_facet Escobar, Matheo
Olivares, Sebastian
contents We investigate the potential for spontaneous CP violation in a Higgs Triplet Model extension, including a complex singlet scalar. We demonstrate that the scalar potential strictly forbids spontaneous CP violation across the entire parameter space. For a non-zero trilinear coupling $κ$, minimization conditions combined with global symmetries enforce a phase alignment that yields a real vacuum. In the singular limit $κ\to 0$, we show that the enhancement of global symmetries renders unphysical vacuum phases. Consequently, we conclude that the scalar sector of this model cannot source CP violation.
format Preprint
id arxiv_https___arxiv_org_abs_2512_21735
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Absence of CP Violation in the Scalar Sector of a Higgs Triplet Model
Escobar, Matheo
Olivares, Sebastian
High Energy Physics - Phenomenology
We investigate the potential for spontaneous CP violation in a Higgs Triplet Model extension, including a complex singlet scalar. We demonstrate that the scalar potential strictly forbids spontaneous CP violation across the entire parameter space. For a non-zero trilinear coupling $κ$, minimization conditions combined with global symmetries enforce a phase alignment that yields a real vacuum. In the singular limit $κ\to 0$, we show that the enhancement of global symmetries renders unphysical vacuum phases. Consequently, we conclude that the scalar sector of this model cannot source CP violation.
title Absence of CP Violation in the Scalar Sector of a Higgs Triplet Model
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2512.21735