development of density-functional theory and Green's function approaches for model Hamiltonians
Main publications:
K. Deur, L. Mazouin, E. Fromager, “Exact ensemble density functional theory for excited states in a model system: Investigating the weight dependence of the correlation energy”, Physical Review B, 95 (2017), 035120
K. Deur, L. Mazouin, B. Senjean, E. Fromager, “Exploring weight-dependent density-functional approximations for ensembles in the Hubbard dimer”, arXiv:1803.00291v2 [cond-mat.str-el], 2018
