Hello :)
I'm trying to calculate the Berry curvature. Is there a way to get access to
the eigenvectors of H (k) for different k values just diagonalizing the
following hamiltonian H_k?
-----------Code-------------------------------------------------------------------------------
wrapped = kwant.wraparound.wraparound(sys).finalized()
def ham(sys,k_x,k_y=None, **params):
k= momentum_to_lattice(sys, [k_x] if k_y is None else [k_x,k_y])
p=dict(zip(sys._momentum_names,k),**params)
return sys.hamiltonian_submatrix(params=p,sparse=False)
H_k= ham(wrapped,kx,ky)
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Thanks for your time and help!
Nayra
