From 5388870352ebc4ae321345235a0cca91b8c3a601 Mon Sep 17 00:00:00 2001
From: Lars kleyn Winkel <l.kleynwinkel@student.tudelft.nl>
Date: Mon, 10 Feb 2020 19:36:37 +0000
Subject: [PATCH] Update src/7_tight_binding_model_sol.md,
 src/7_tight_binding.md files

---
 src/7_tight_binding.md           | 4 ++--
 src/7_tight_binding_model_sol.md | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/7_tight_binding.md b/src/7_tight_binding.md
index dff34807..b4d1b5bd 100644
--- a/src/7_tight_binding.md
+++ b/src/7_tight_binding.md
@@ -284,13 +284,13 @@ $$ \langle \phi_n | H | \phi_{n+2}\rangle \equiv -t' ≠ 0.$$
 
 1. Write down the new Schrödinger equation for this system.
 
-??? hint
+??? hint "hint"
 
     There are now two more terms in the equation: $-t' \phi_{n-2} - t' \phi_{n+2}$.
 
 2. Solve the Schrödinger equation to find the dispersion relation $E(k)$.
 
-??? hint
+??? hint "hint"
 
     Use the same Ansatz as for the nearest neighbors case: $ \phi_n = \phi_0 \exp(ikna) $.
 
diff --git a/src/7_tight_binding_model_sol.md b/src/7_tight_binding_model_sol.md
index 3e349c77..37a9e415 100644
--- a/src/7_tight_binding_model_sol.md
+++ b/src/7_tight_binding_model_sol.md
@@ -75,5 +75,5 @@ For the heat capacity we have: $$C = \frac{\partial U}{\partial T} = \int g(\ome
 
 ### Subquestion 1
 
-The Schrödinger equation is given as: $E|\phi_n> = \sum_m \hat H|\phi_m>$ such that we find $$ E\phi_n = E_0\phi_n -t\phi_{n-1} -t\phi_{n+1} -t'\phi_{n-2} -t'\phi_{n+2}$$.
+The Schrödinger equation is given as: $E|\phi_n> = \sum_m \hat H|\phi_m>$ such that we find $$ E\phi_n = E_0\phi_n - t\phi_{n-1} - t\phi_{n+1} - t'\phi_{n-2} - t'\phi_{n+2}$$.
 
-- 
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