Bulk

• Getting started with periodic systems   How to perform some basic calculation using bulk silicon as an example.
• Optical spectra of solids   How to obtain an optical spectrum for a solid using a time-dependent calculation.
• Band structure unfolding   How to get the bandstructure of a supercell.
• High-harmonic generation in solids   How to obtain the high-harmonic spectrum of a periodic 1D chain of atoms.
• Magnons   This tutorial gives the basic idea of how it is possible to compute magnons and transverse spin susceptibilities from a real-time calculation using octopus.
• Berry  
• DFT+U   how to add the on-site Hubbard interaction U
• DFT+U+V   how to add the intersite interaction V
• Hybrid functionals   how to use hybrid functionals.
• Transient absorption   how to compute transient absorption.
• Wannier90   Using the Wannier90 interface.