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guanjihuan
2022-10-09 02:51:02 +08:00
parent a3d7b26a29
commit dffafbb61e
9 changed files with 9 additions and 9 deletions
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2
academic_codes/2022.04.21_Berry_curvature/Berry_curvature_distribution_of_graphene_under_broken_inversion_symmery_with_Kubo_formula.py
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@@ -10,7 +10,7 @@ import cmath
def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量（a为原子间距，不赋值的话默认为1/sqrt(3)）
h = np.zeros((2, 2))*(1+0j)
h = np.zeros((2, 2), dtype=complex)
h[0, 0] = 0.28/2
h[1, 1] = -0.28/2
h[1, 0] = t1*(cmath.exp(1j*k2*a)+cmath.exp(1j*sqrt(3)/2*k1*a-1j/2*k2*a)+cmath.exp(-1j*sqrt(3)/2*k1*a-1j/2*k2*a))

2
academic_codes/2022.04.21_Berry_curvature/Berry_curvature_distribution_of_graphene_under_broken_inversion_symmery_with_Wilson_loop.py
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@@ -10,7 +10,7 @@ import cmath
def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量（a为原子间距，不赋值的话默认为1/sqrt(3)）
h = np.zeros((2, 2))*(1+0j)
h = np.zeros((2, 2), dtype=complex)
h[0, 0] = 0.28/2
h[1, 1] = -0.28/2
h[1, 0] = t1*(cmath.exp(1j*k2*a)+cmath.exp(1j*sqrt(3)/2*k1*a-1j/2*k2*a)+cmath.exp(-1j*sqrt(3)/2*k1*a-1j/2*k2*a))

2
academic_codes/2022.04.21_Berry_curvature/Berry_curvature_distribution_of_graphene_under_broken_inversion_symmery_with_the_efficient_method.py
View File

@@ -10,7 +10,7 @@ import cmath
def hamiltonian(k1, k2, t1=2.82, a=1/sqrt(3)): # 石墨烯哈密顿量（a为原子间距，不赋值的话默认为1/sqrt(3)）
h = np.zeros((2, 2))*(1+0j)
h = np.zeros((2, 2), dtype=complex)
h[0, 0] = 0.28/2
h[1, 1] = -0.28/2
h[1, 0] = t1*(cmath.exp(1j*k2*a)+cmath.exp(1j*sqrt(3)/2*k1*a-1j/2*k2*a)+cmath.exp(-1j*sqrt(3)/2*k1*a-1j/2*k2*a))