################# Band structures ################# Koopmans band structures of crystals. A periodic system needs localized variational orbitals, so these tutorials start from Wannier functions; they differ in how the screening parameters are computed, how the Wannier manifold is chosen, and whether spin enters. .. toctree:: :maxdepth: 1 silicon_finite_differences/index silicon_linear_response/index zno/index magnetic/index spin_orbit/index external_projectors/index