Diffeomorphism on-shell breaking from radion stabilization
High Energy Physics - Theory
2024-02-06 v3 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We present for the first time the nonlinear diffeomorphism in the Randall Sundrum model that can keep the effective Lagrangian invariant in any order of expansion. We will show that the off-shell diffeomorphism shapes the interaction structure. However the radion mass is in fact protected by an on-shell diffeomorphism, which can be spontaneously broken by the Goldberger-Wise mechanism. The nonlinear property of diffeomorphism also ensures a unique radion field even in the extension of RS model with intermediate branes.
Cite
@article{arxiv.2309.07904,
title = {Diffeomorphism on-shell breaking from radion stabilization},
author = {Haiying Cai},
journal= {arXiv preprint arXiv:2309.07904},
year = {2024}
}
Comments
16 pages, v2 redefine the gauge parameter \epsilon^\prime to be \epsilon; symmetry is on-shell broken