4.1. tkwant.system – Tools for time-dependent and open Kwant systems

add_time_to_params(params, time_name, time)

Add a time_name: time key-value pair to a params dict.

is_time_dependent_function(obj, time_name)

Return True if obj is callable and has a time argument

orb_range(syst, site)

Return the first orbital of this and the next site.

ExtendedSystem(syst, H0, boundary_slices, …)

Hamiltonian matrix of central system + boundary conditions.