Exact-exchange optimized effective potential and memory effect in time-dependent density functional theory Sheng-Lun Liao, Tak-San Ho, Herschel Rabitz and Shih-I Chu Eur. Phys. J. B, 91 7 (2018) 147 Published online: 04 July 2018 DOI: 10.1140/epjb/e2018-90084-x