Hi,
> In the kwant, I want to plot the lead band of non hermitian > Hamiltonian and I just add some imaginary terms to the onsite > term.However, the error "The cell Hamiltonian is not Hermitian" will > appear. How can I solve the problem? > I am looking forward for your reply and I would > appreciate it if you could contact me. Indeed it's not possible to use the built-in band plotter with non-hermitian Hamiltonians. If your Hamiltonian is non-Hermitian it will in general have complex eigenvalues, and there's no way to plot this on a simple line plot. What exactly are you trying to accomplish? Are you sure that using non-hermitian leads is the way to achieve this? Happy Kwanting, Joe
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