From 88537b82784f71104c3a2771330c9e492f57fb03 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Sun, 30 Jan 2022 11:27:00 +0100
Subject: Expand knowledge base, remove comments

---
 content/know/concept/time-dependent-perturbation-theory/index.pdc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'content/know/concept/time-dependent-perturbation-theory')

diff --git a/content/know/concept/time-dependent-perturbation-theory/index.pdc b/content/know/concept/time-dependent-perturbation-theory/index.pdc
index 76ab684..8f626c2 100644
--- a/content/know/concept/time-dependent-perturbation-theory/index.pdc
+++ b/content/know/concept/time-dependent-perturbation-theory/index.pdc
@@ -136,7 +136,7 @@ and take the first-order correction formula:
 $$\begin{aligned}
     c_m^{(1)}(t)
     &= - \frac{1}{2 \hbar} \sum_{n} V_{mn} c_n^{(0)}
-    \int_0^t \exp\!\big(i \tau (\omega_{mn} \!+\! \omega)\big) - \exp\big(i \tau (\omega_{mn} \!-\! \omega)\big) \dd{\tau}
+    \int_0^t \exp\!\big(i \tau (\omega_{mn} \!+\! \omega)\big) - \exp\!\big(i \tau (\omega_{mn} \!-\! \omega)\big) \dd{\tau}
     \\
     &= \frac{i}{2 \hbar} \sum_{n} V_{mn} c_n^{(0)}
     \bigg( \frac{\exp\!\big(i t (\omega_{mn} \!+\! \omega) \big) - 1}{\omega_{mn} + \omega}
-- 
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