advanced_notions:observable
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advanced_notions:observable [2017/11/19 06:43] jakobadmin [Researcher] |
advanced_notions:observable [2017/12/04 09:01] 127.0.0.1 external edit |
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| The simplest example of an observable in gauge theory are Wilson loops. | The simplest example of an observable in gauge theory are Wilson loops. | ||
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| + | Take note that this procedure of modding out $\mathcal G$ from $\mathcal A$ is what leads to [[theories:quantum_theory:quantum_field_theory:ghosts|Ghosts]]. To do this properly requires to make use of the [[advanced_tools:gauge_symmetry:brst|BRST]] formalism. | ||
| (Source: Baez, Munian; Gauge Fields, Knots and Gravity, page 342) | (Source: Baez, Munian; Gauge Fields, Knots and Gravity, page 342) | ||
advanced_notions/observable.txt · Last modified: 2018/01/02 14:13 by jakobadmin
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