Gravity-Assisted Emergent Higgs Mechanism in the Post-Inflationary Epoch
Abstract
We consider a non-standard model of gravity coupled to a neutral scalar "inflaton" as well as to SU(2)xU(1) iso-doublet scalar with positive mass squared and without self-interaction, and to SU(2)xU(1) gauge fields. The principal new ingredient is employing two alternative non-Riemannian space-time volume-forms (covariant integration measure densitities) independent of the metric. The latter have a remarkable impact - although not introducing any additional propagating degrees of freedom, their dynamics triggers a series of important features: appearance of infinitely large flat regions of the effective "inflaton" potential as well as dynamical generation of Higgs-like spontaneous symmetry breaking effective potential for the SU(2)xU(1) iso-doublet scalar.
Keywords
Cite
@article{arxiv.1603.06231,
title = {Gravity-Assisted Emergent Higgs Mechanism in the Post-Inflationary Epoch},
author = {Eduardo Guendelman and Emil Nissimov and Svetlana Pacheva},
journal= {arXiv preprint arXiv:1603.06231},
year = {2016}
}
Comments
v.2 10 pages, Honorable Mention in the Gravity Research Foundation Essay Competition 2016 (http://www.gravityresearchfoundation.org/pdf/2016_Awards.pdf), to appear in International Journal of Modern Physics D (2016)