Lorentz Violation in a Diffeomorphism-Invariant Theory
R. Jackiw
TL;DR
This paper investigates how symmetry breaking in a diffeomorphism-invariant theory can be a result of coordinate choices rather than actual physical symmetry breaking.
Contribution
It clarifies the distinction between genuine symmetry breaking and coordinate effects in diffeomorphism-invariant theories.
Findings
Symmetry breaking can be a coordinate artifact.
Coordinate choices can mask true physical symmetries.
Implications for interpreting symmetry violations in gravity theories.
Abstract
In a diffeomorphism invariant theory, symmetry breaking may be a mask for coordinate choice.
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