From c6278c88f78c8e2fd7fdc45a6e079398d288fa91 Mon Sep 17 00:00:00 2001
From: Lars kleyn Winkel <l.kleynwinkel@student.tudelft.nl>
Date: Thu, 13 Feb 2020 13:54:34 +0000
Subject: [PATCH] Update src/8_many_atoms_sol.md

---
 src/8_many_atoms_sol.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/8_many_atoms_sol.md b/src/8_many_atoms_sol.md
index 3938dbd5..64d3eeb6 100644
--- a/src/8_many_atoms_sol.md
+++ b/src/8_many_atoms_sol.md
@@ -36,8 +36,8 @@ A unit cell consits of exactly one $t_1$ and exactly $t_2$ hopping.
 ### Subquestion 2
 
 Using the hint we find:
-$$ E \phi_0 = \epsilon \phi_0 + t_1 \psi_0 + t_2 \psi_0 e^{ika} $$
-$$ E \psi_0 = \epsilon \psi_0 + t_2 \phi_0 e^{-ika} + t_2 \phi_0 $$
+$$ E \phi_0 = \epsilon \phi_0 + t_1 \psi_0 + t_2 \psi_0 e^{-ika} $$
+$$ E \psi_0 = \epsilon \psi_0 + t_2 \phi_0 e^{ika} + t_2 \phi_0 $$
 
 Notice that the hopping, in this case, is without the '-'-sign!
 
-- 
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