guanjihuan/guanjihuan.com
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update

Browse Source
This commit is contained in:
guanjihuan
2022-01-08 17:46:01 +08:00
parent 083669875f
commit 46ee2ec7ce
4 changed files with 30 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
academic_codes/2019.11.01_conductance_calculation_using_Green_functions/conductance_calculation_using_Green_functions.py
View File

@@ -91,9 +91,9 @@ def conductance(fermi_energy, h00, h01, nx=300): # 计算电导
else:
green_nn_n = np.linalg.inv(fermi_energy*np.identity(dim)-h00-np.dot(np.dot(h01.transpose().conj(), green_nn_n), h01)-right_self_energy)
green_0n_n = np.dot(np.dot(green_0n_n, h01), green_nn_n)
right_self_energy = (right_self_energy - right_self_energy.transpose().conj())*(0+1j)
left_self_energy = (left_self_energy - left_self_energy.transpose().conj())*(0+1j)
transmission = np.trace(np.dot(np.dot(np.dot(left_self_energy, green_0n_n), right_self_energy), green_0n_n.transpose().conj()))
gamma_right = (right_self_energy - right_self_energy.transpose().conj())*(0+1j)
gamma_left = (left_self_energy - left_self_energy.transpose().conj())*(0+1j)
transmission = np.trace(np.dot(np.dot(np.dot(gamma_left, green_0n_n), gamma_right), green_0n_n.transpose().conj()))
return transmission # 返回电导值