TL;DR
This paper explores a Higgs-like mechanism in quantum gravity where gauge symmetry breaking relates to spacetime geometry, proposing a model that unifies gravity with other fundamental interactions.
Contribution
It introduces a Higgs-inspired model that explains metric nondegeneracy and aims to unify gravity with other fundamental forces.
Findings
The Higgs phenomenon can occur in gravity with independent connections.
Order parameters are linked to spacetime geometrical structures.
A new dynamical model for unification of gravity and interactions is proposed.
Abstract
The Higgs phenomenon occurs in theories of gravity in which the connection is an independent dynamical variable. The role of order parameters is played by the soldering form and a fiber metric. The breaking of the original gauge symmetry is linked to the appearance of geometrical structures on spacetime. These facts suggest certain modifications and generalizations of the theory. We propose a Higgs-like model which provides a dynamical explanation for the nondegeneracy of the metric and a framework for the unification of gravity with the other interactions.
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