From 6505b1fb3399ec4bff97aabda2554764bf305d0f Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Sun, 21 Nov 2021 18:02:35 +0100
Subject: Expand knowledge base

---
 content/know/concept/feynman-diagram/index.pdc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'content/know/concept/feynman-diagram')

diff --git a/content/know/concept/feynman-diagram/index.pdc b/content/know/concept/feynman-diagram/index.pdc
index eee6bf3..dfb63c1 100644
--- a/content/know/concept/feynman-diagram/index.pdc
+++ b/content/know/concept/feynman-diagram/index.pdc
@@ -1,7 +1,7 @@
 ---
 title: "Feynman diagram"
 firstLetter: "F"
-publishDate: 2021-11-15
+publishDate: 2021-11-18
 categories:
 - Physics
 - Quantum mechanics
@@ -105,7 +105,7 @@ are instead represented by a special vertex:
 <img src="perturbation.png" style="width:35%;display:block;margin:auto;">
 </a>
 $$\begin{aligned}
-    = \frac{1}{i \hbar} V_I(\vb{r}, t, \sigma)
+    = \frac{1}{i \hbar} V_s(\vb{r}, t)
 \end{aligned}$$
 
 Other graphical components exist representing
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