ADSIC is not working with periodic boundary conditions
The problem is most likely related to the long-range term of the Hatree part of the adsic. For a 2D system, changing the kernel from plan to no_cut result in a shift of the band-structure.
The problem is most likely related to the long-range term of the Hatree part of the adsic. For a 2D system, changing the kernel from plan to no_cut result in a shift of the band-structure.