@article{PhysRevB.93.155146,
  title = {Origin of static and dynamic steps in exact Kohn-Sham potentials},
  author = {Hodgson, M. J. P. and Ramsden, J. D. and Godby, R. W.},
  journal = {Phys. Rev. B},
  volume = {93},
  issue = {15},
  pages = {155146},
  numpages = {11},
  year = {2016},
  month = {Apr},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevB.93.155146},
  url = {https://link.aps.org/doi/10.1103/PhysRevB.93.155146}
}