Hi, In addition to Adel suggestion (which you should follow, I think), I’d just like to stress one point. Please keep in mind that TKwant is for time dependent problems. For time independent problems, things are much easier and Kwant has everything you need.
Best, Xavier > On 13 Sep 2023, at 19:37, Gabriel Garcia <gqgarci...@gmail.com> wrote: > > Hi devs, > > I have been reproducing section 2.7, “Green’s Functions”. In this section, > the tutorial shows us how to calculate Green’s functions for a 1D monoatomic > network with two impurities. We learn to calculate all different types of > time-dependent and independent Green functions. However, I have a question. > When we consider a stationary system, the Green functions will be calculated > depending on the Energy of the system. In the impurities example, the Green > functions were calculated by varying the onsite energy of the impurities. How > can I calculate the Green functions in terms of the system’s energy? > Remembering that stationary Green functions are integrals of the system’s > energy. > > Best, > Gabriel Garcia