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-rw-r--r--content/know/concept/salt-equation/index.pdc5
1 files changed, 3 insertions, 2 deletions
diff --git a/content/know/concept/salt-equation/index.pdc b/content/know/concept/salt-equation/index.pdc
index 2f2917b..6383469 100644
--- a/content/know/concept/salt-equation/index.pdc
+++ b/content/know/concept/salt-equation/index.pdc
@@ -5,6 +5,7 @@ publishDate: 2022-02-07
categories:
- Physics
- Optics
+- Laser theory
date: 2022-01-20T22:01:48+01:00
draft: false
@@ -66,10 +67,10 @@ that the interactions between the modes are limited:
$$\begin{aligned}
\vb{E}^{+}(\vb{x}, t)
- = \sum_{n = 1}^N \Psi_n(\vb{x}) e^{- i \omega_n t}
+ = \sum_{n = 1}^N \Psi_n(\vb{x}) \: e^{- i \omega_n t}
\qquad \qquad
\vb{P}^{+}(\vb{x}, t)
- = \sum_{n = 1}^N \vb{p}_n(\vb{x}) e^{- i \omega_n t}
+ = \sum_{n = 1}^N \vb{p}_n(\vb{x}) \: e^{- i \omega_n t}
\end{aligned}$$
Using the modes' linear independence to treat each term of the summation individually,