@article{762,
  author = {Marilena Tzavala and J. Kas and Lucia Reining and John Rehr},
  title = {Nonlinear response in the cumulant expansion for core-level photoemission},
  year = {2020},
  journal = {PHYSICAL REVIEW RESEARCH},
  volume = {2},
  pages = {033147},
  doi = {10.1103/PhysRevResearch.2.033147},
}