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About: Gauge fixing     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Thinking105770926, within Data Space : dbpedia.org associated with source document(s)

Type: Thingyago:Abstraction100002137yago:Cognition100023271yago:Explanation105793000yago:HigherCognitiveProcess105770664yago:Process105701363yago:PsychologicalFeature100023100yago:WikicatGaugeTheoriesyago:Theory105989479yago:Thinking105770926 New Facet based on Instances of this Class

In the physics of gauge theories, gauge fixing (also called choosing a gauge) denotes a mathematical procedure for coping with redundant degrees of freedom in field variables. By definition, a gauge theory represents each physically distinct configuration of the system as an equivalence class of detailed local field configurations. Any two detailed configurations in the same equivalence class are related by a gauge transformation, equivalent to a shear along unphysical axes in configuration space. Most of the quantitative physical predictions of a gauge theory can only be obtained under a coherent prescription for suppressing or ignoring these unphysical degrees of freedom.