@article{Li:2019:032509,
  title = {Orbital angular momentum constraints in the variational optimization of the two-electron reduced-density matrix},
  author = {Li, Run R. and DePrince, A. Eugene},
  journal = {Phys. Rev. A},
  volume = {100},
  issue = {3},
  pages = {032509},
  numpages = {10},
  year = {2019},
  month = {Sep},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevA.100.032509},
  url = {https://link.aps.org/doi/10.1103/PhysRevA.100.032509}
}