1. Laura Budewig, Sang-Kil Son, and Robin Santra, “Theoretical investigation of orbital alignment of x-ray-ionized atoms in exotic electronic configurations,” Phys. Rev. A 105, 033111 (2022).
  2. Laura Budewig, Sang-Kil Son, and Robin Santra, “Electron-cloud alignment dynamics induced by an intense X-ray free-electron laser pulse: a case study on atomic argon,” Commun. Phys. 7, 363 (2024) [special issue: Ultrafast X-ray Spectroscopy].