Leopoldo Cuspinera
Higgs vacuum decay in a braneworld
Cuspinera, Leopoldo; Gregory, Ruth; Marshall, Katie M.; Moss, Ian G.
Authors
Ruth Gregory
Katie M. Marshall
Ian G. Moss
Abstract
We examine the effect of large extra dimensions on vacuum decay in the Randall– Sundrum (RS) braneworld paradigm. We assume the scalar field is confined to the brane, and compute the probability for forming an “anti-de Sitter” (AdS) bubble inside a critical flat RS brane. We present the first full numerical solutions for the brane instanton considering two test potentials for the scalar field. We explore the geometrical impact of thin and thick bubble walls, and compute the instanton action in a range of cases. We conclude by commenting on a more physically realistic potential relevant for the Standard Model Higgs. For bubbles with large backreaction, the extra dimension has a dramatic effect on the tunnelling rate, however, for the weakly backreacting bubbles more relevant for realistic Standard Model potentials, the extra dimension has little impact.
Citation
Cuspinera, L., Gregory, R., Marshall, K. M., & Moss, I. G. (2020). Higgs vacuum decay in a braneworld. International Journal of Modern Physics D, 29(1), Article 2050005. https://doi.org/10.1142/s0218271820500054
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 25, 2019 |
Online Publication Date | Dec 4, 2019 |
Publication Date | 2020-01 |
Deposit Date | Dec 19, 2019 |
Publicly Available Date | Dec 19, 2019 |
Journal | International Journal of Modern Physics D |
Print ISSN | 0218-2718 |
Electronic ISSN | 1793-6594 |
Publisher | World Scientific Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 29 |
Issue | 1 |
Article Number | 2050005 |
DOI | https://doi.org/10.1142/s0218271820500054 |
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
Copyright Statement
Advance online version This is an Open Access article published by World Scientific Publishing Company. It is distributed
under the terms of the Creative Commons Attribution 4.0 (CC BY) License which permits use,
distribution and reproduction in any medium, provided the original work is properly cited.
Published Journal Article
(628 Kb)
PDF
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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