Observables and Gauge Fixing in Spontaneously Broken Gauge Theories
Martin Lavelle, David McMullan
TL;DR
This paper investigates gauge fixing and observable fields in spontaneously broken gauge theories, demonstrating global gauge fixing in the broken sector and predicting a confining transition during high-temperature symmetry restoration.
Contribution
It provides a method for global gauge fixing in non-abelian theories with spontaneous symmetry breaking and links high-temperature symmetry restoration to confinement.
Findings
Global gauge fixing is possible in the broken sector.
Constructed physical fields in non-abelian theories.
High-temperature restoration leads to a confining transition.
Abstract
Gauge fixing and the observable fields for both abelian and non-abelian gauge theories with spontaneous breaking of gauge symmetry are studied. We explicitly show that it is possible to globally fix the gauge in the broken sector and hence construct physical fields even in the non-abelian theory. We predict that any high temperature restoration of gauge symmetry will be accompanied by a confining transition.
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