@article{105e31a61b1843f68ab8bf2dba7a9560,
title = "Radion-activated Higgs mechanism",
abstract = "We study multiscalar models of radius stabilization, with an eye toward application to novel extra-dimensional models of symmetry breaking. With inspiration from holography, we construct a multiscalar effective potential that is a function of UV-brane values of the scalar fields and that takes into account bulk gravitational backreaction. We study extrema of this potential and additionally provide a {"}superpotential{"} method for generating static solutions for the extra-dimensional geometry. We apply these methods to some simple models of the Higgs mechanism where the Higgs itself plays a nontrivial role in radius stabilization. We conclude that mass mixing of the Higgs and radion is generic unless additional symmetries are imposed. We focus on models with a moderate gap between the electroweak and Kaluza-Klein scale, as required by phenomenological constraints. We note that tuning of the Higgs mass relative to the Kaluza-Klein scale is related to various classes of tuning of 5D parameters, with different resulting spectra and phenomenologies.",
author = "Cem Er{\"o}ncel and Jay Hubisz and Gabriele Rigo",
note = "Funding Information: The authors thank Brando Bellazzini, Csaba Cs{\'a}ki, Michael Geller, and Anson Hook for useful conversations regarding the research presented here. The authors thank Cornell University for hospitality throughout the duration of this project. J. H. thanks the Munich Institute for Astro- and Particle Physics of the Deutsche Forschungsgemeinschaft cluster of excellence “Origin and Structure of the Universe” for a productive research environment during a portion of this work. C. E., J. H., and G. R. were supported in part by the Department of Energy under Grant Award No. DE-SC0009998. C. E. is supported by the Deutsche Forschungsgemeinschaft under Germany{\textquoteright}s Excellence Strategy EXC 2121 “Quantum Universe” Grant No. 390833306. Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"} Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.",
year = "2020",
month = mar,
day = "1",
doi = "10.1103/PhysRevD.101.055041",
language = "English (US)",
volume = "101",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "5",
}