From 03accd13c0a6ec4de2d8001edf3ce7553f831160 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Tue, 27 Sep 2022 21:20:05 +0200
Subject: Clean up CSS, minor design changes
---
content/know/concept/feynman-diagram/index.pdc | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
(limited to 'content/know/concept/feynman-diagram/index.pdc')
diff --git a/content/know/concept/feynman-diagram/index.pdc b/content/know/concept/feynman-diagram/index.pdc
index 600be61..98ed668 100644
--- a/content/know/concept/feynman-diagram/index.pdc
+++ b/content/know/concept/feynman-diagram/index.pdc
@@ -43,7 +43,7 @@ and $\mathcal{T}\{\}$ denote the
[time-ordered product](/know/concept/time-ordered-product/):
-
+
$$\begin{aligned}
= i \hbar G_{s_2 s_1}^0(\vb{r}_2, t_2; \vb{r}_1, t_1)
@@ -64,7 +64,7 @@ a causal Green's function $G$ for the entire Hamiltonian $\hat{H}$,
where the subscript $H$ refers to the [Heisenberg picture](/know/concept/heisenberg-picture/):
-
+
$$\begin{aligned}
= i \hbar G_{s_2 s_1}(\vb{r}_2, t_2; \vb{r}_1, t_1)
@@ -79,7 +79,7 @@ hence it starts and ends at the same time,
and no arrow is drawn:
-
+
$$\begin{aligned}
= \frac{1}{i \hbar} W_{s_2 s_1}(\vb{r}_2, t_2; \vb{r}_1, t_1)
@@ -102,7 +102,7 @@ One-body (time-dependent) operators $\hat{V}$ in $\hat{H}_1$
are instead represented by a special vertex:
-
+
$$\begin{aligned}
= \frac{1}{i \hbar} V_s(\vb{r}, t)
@@ -179,7 +179,7 @@ Consider the following diagram and the resulting expression,
where $\tilde{\vb{r}} = (\vb{r}, t)$, and $\tilde{\vb{k}} = (\vb{k}, \omega)$:
-
+
$$\begin{aligned}
&= (i \hbar)^3 \sum_{s s'} \!\!\iint \dd{\tilde{\vb{r}}} \dd{\tilde{\vb{r}}'}
--
cgit v1.2.3