Hi Chagaan,
kwant.continuum.discretize doesn't change the scale. Indeed, plotting the two
dispersions on the same plot shows that they agree quite well. To confirm, try
adding the code below after cell 7. As a note here, the Fermi momentum is
around pi/2a, which is rather high, and if one wanted to make a more accurate
approximation, reducing the lattice constant would be the way to go.
Best,
Anton
from matplotlib import pyplot as plt
params = dict(
B_x=0,
mu=1,
alpha=0.5,
Delta=0
)
fig, ax = plt.subplots(figsize=(8, 6))
kwant.plotter.spectrum(h_cont, ('k_x', momenta), params=params, show=False,
ax=ax)
kwant.plotter.spectrum(
infinite_wire,
('k_x', np.linspace(-np.pi, np.pi, 301)),
params=params,
ax=ax
)
