1. John Jasper Bekx, Sang-Kil Son, Beata Ziaja, and Robin Santra, “Electronic-structure calculations for nonisothermal warm dense matter,” Phys. Rev. Res. 2, 033061 (2020).
2. Sang-Kil Son, Rebecca Boll, and Robin Santra, “Breakdown of frustrated absorption in x-ray sequential multiphoton ionization,” Phys. Rev. Res. 2, 023053 (2020).
3. Niels Breckwoldt, Sang-Kil Son, Tommaso Mazza, Aljoscha R"orig, Rebecca Boll, Michael Meyer, Aaron C. LaForge, Debadarshini Mishra, Nora Berrah, and Robin Santra, “Machine-learning calibration of intense x-ray free-electron-laser pulses using Bayesian optimization,” Phys. Rev. Res. 5, 023114 (2023).
4. Laura Budewig, Sang-Kil Son, Zoltan Jurek, Malik Muhammad Abdullah, Marina Tropmann-Frick, and Robin Santra, “X-ray-induced atomic transitions via machine learning: A computational investigation,” Phys. Rev. Res. 6, 013265 (2024).