@article{maradzike:2018:234101, author = {Maradzike,Elvis and DePrince,A. Eugene }, title = {Modeling core-level excitations with variationally optimized reduced-density matrices and the extended random phase approximation}, journal = {J. Chem. Phys.}, volume = {149}, number = {23}, pages = {234101}, year = {2018}, doi = {10.1063/1.5048924}, url = {https://doi.org/10.1063/1.5048924}, }