Dear Adel, Thank you very much for your kind remind. Khani On Tue, Dec 8, 2020 at 4:11 AM Abbout Adel <abbout.a...@gmail.com> wrote:
> Dear Hosein, > > To my knowledge, Kwant "discretize" works only for square lattices. In the > version 1.4, it was extended to rectangular ones. > So, you can not use it for graphene for example. > > I hope this helps, > Adel > > On Mon, Dec 7, 2020 at 7:44 PM Khani Hosein <hoseinkhani...@gmail.com> > wrote: > >> Dear all, >> I want to discretize the continuous Hamiltonian using >> kwant.continuum.discretize, but I have problems in inputing my hamiltonian. >> In the example, we only have elements in >> H(0,0),H(0,1),H(1,0),H(1,1),H(2,2),H(2,3),H(3,2),H(3,3), but in my system >> (for example, bilayer graphene) I have elements in >> H(0,2),H(1,3),H(2,0),H(3,1). How to input my hamiltonian into it. >> >> For example, >> hamiltonian = """ >> + M * kron(sigma_z, sigma_0) >> +A * k_x * kron(sigma_0, sigma_x) >> +A * k_y * kron(sigma_0, sigma_y)+ Tc*[[0, 0, 1, 0], [0, 0, 0, >> 1],[1, 0, 0, 0] ],[0, 1, 0, 0]] >> """ >> The term Tc*[[0, 0, 1, 0], [0, 0, 0, 1],[1, 0, 0, 0] ],[0, 1, 0, 0]] >> will cause errors. >> Thank you very much. >> Khani Hosein >> >> >> >> > > -- > Abbout Adel >
