Towards an Action Principle Unifying the Standard Model and Gravity
High Energy Physics - Theory
2026-02-23 v2 General Relativity and Quantum Cosmology
Mathematical Physics
math.MP
Abstract
A single geometric invariant fixes the relative normalization and structure of gravity, Yang-Mills theory, and fermion kinetic terms -- including ghost freedom in the gravitational sector -- without tuning. Our results establish a minimal geometric route to unification that does not rely on extra dimensions or symmetry breaking by hand. Unlike previous gauge-gravity constructions, the relative normalizations and ghost freedom emerge from a single Clifford-algebraic invariant, without explicit symmetry breaking.
Keywords
Cite
@article{arxiv.2601.19734,
title = {Towards an Action Principle Unifying the Standard Model and Gravity},
author = {Pedro D. Alvarez and Fernando Izaurieta and Cristian Quinzacara},
journal= {arXiv preprint arXiv:2601.19734},
year = {2026}
}
Comments
18pages