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advanced_tools:gauge_symmetry [2018/05/13 09:19] jakobadmin ↷ Links adapted because of a move operation |
advanced_tools:gauge_symmetry [2018/05/13 09:19] jakobadmin ↷ Links adapted because of a move operation |
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\end{align} | \end{align} | ||
- | This comes about when one considers [[formulas:yang_mills_equations:gauss_law|Gauss law]] to identify physical states. Such physical states are invariant under $\mathcal{G}_\star$ and thus this subgroup connects physically redundant variables in the theory. | + | This comes about when one considers [[formulas:gauss_law|Gauss law]] to identify physical states. Such physical states are invariant under $\mathcal{G}_\star$ and thus this subgroup connects physically redundant variables in the theory. |
Since the elements of $\mathcal G$ go only to a constant, which is not necessarily $1$ at spatial infinity, we have | Since the elements of $\mathcal G$ go only to a constant, which is not necessarily $1$ at spatial infinity, we have |