@article{hodgson2017interatomic,
title={How interatomic steps in the exact Kohn--Sham potential relate to derivative discontinuities of the energy},
author={Hodgson, Matthew J P and Kraisler, Eli and Schild, Axel and Gross, Eberhard K U},
journal={The journal of physical chemistry letters},
volume={8},
number={24},
pages={5974--5980},
year={2017},
publisher={ACS Publications}
}