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Diffstat (limited to 'content/know/concept/time-ordered-product/index.pdc')
-rw-r--r-- | content/know/concept/time-ordered-product/index.pdc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/content/know/concept/time-ordered-product/index.pdc b/content/know/concept/time-ordered-product/index.pdc index 82c9d0f..7af5acc 100644 --- a/content/know/concept/time-ordered-product/index.pdc +++ b/content/know/concept/time-ordered-product/index.pdc @@ -110,7 +110,7 @@ The general definition of $\mathcal{T}$ is: $$\begin{aligned} \boxed{ \mathcal{T} \big\{ \hat{a}_1 \cdots \hat{a}_N \big\} - \equiv \sum_{p \in P_N}^{} (-1)^p + \equiv \sum_{p \in P_N}^{} (\pm 1)^p \bigg( \prod_{j = 1}^{N-1} \Theta\big(t_{p_j} \!-\! t_{p_{j+1}}\big) \bigg) \bigg( \prod_{k = 1}^N \hat{a}_{p_k}(t_{p_k}) \bigg) } |