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A choice that removes redundant gauge descriptions sufficiently to define propagators or quantization, while preserving physical gauge independence.
wp-physics-gauge_fixingnlab-physics-gauge_fixingtong-gaugeEach relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Gauge fixing selects representatives or conditions to remove redundant gauge descriptions sufficiently for a chosen quantization or calculation.
A physical process transforms the source into, or produces, the target under the conditions stated in the edge detail.
wp-physics-gauge_fixingnlab-physics-gauge_fixingEach relation below starts at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
BRST symmetry encodes residual gauge consistency of the gauge-fixed theory.
Apply a standard functorial or canonical construction whose output is not merely a reduct of the input and is not generally an equivalent presentation of the same object.
wp-physics-brst_symmetrynlab-physics-brst_symmetrywp-physics-gauge_fixingnlab-physics-gauge_fixingThis is an authored directed relation from the source endpoint to the target endpoint.
Faddeev–Popov ghosts represent the gauge-fixing determinant in covariant non-Abelian perturbation theory.
Apply a standard functorial or canonical construction whose output is not merely a reduct of the input and is not generally an equivalent presentation of the same object.
wp-physics-faddeev_popov_ghostnlab-physics-ghost_fieldwp-physics-gauge_fixingnlab-physics-gauge_fixing