From 50ae8395f9bb9a65ec61b34e8723bd5d7152ac93 Mon Sep 17 00:00:00 2001
From: guanjihuan <34735497+guanjihuan@users.noreply.github.com>
Date: Mon, 5 Jul 2021 17:00:04 +0800
Subject: [PATCH] Update 2D_graphene.py

---
 .../2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py  | 1 -
 1 file changed, 1 deletion(-)

diff --git a/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py b/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py
index 9e0b94d..8614ec4 100755
--- a/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py
+++ b/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py
@@ -14,7 +14,6 @@ def hamiltonian(k1, k2, M, t1, a=1/sqrt(3)):  # Haldane哈密顿量（a为原子
     # 初始化为零矩阵
     h0 = np.zeros((2, 2), dtype=complex)
     h1 = np.zeros((2, 2), dtype=complex)
-    h2 = np.zeros((2, 2), dtype=complex)
 
     # 质量项(mass term)，用于打开带隙
     h0[0, 0] = M