%% The BibTeX file generated by zannavi.com/sangkil/biblio
%% All citations  containing “XATOM”

@article{Doumy11,
    author={Gilles Doumy and C. Roedig and Sang-Kil Son and C. I. Blaga and A. D. DiChiara and Robin Santra and N. Berrah and C. Bostedt and J. D. Bozek and P. H. Bucksbaum and J. P. Cryan and L. Fang and S. Ghimire and J. M. Glownia and M. Hoener and E. P. Kanter and B. Kr{\"a}ssig and M. Kuebel and M. Messerschmidt and G. G. Paulus and D. A. Reis and N. Rohringer and L. Young and P. Agostini and L. F. DiMauro},
    title={Nonlinear atomic response to intense ultrashort x rays},
    journal={Phys. Rev. Lett.},
    volume={106},
    pages={083002},
    year={2011},
    keywords={Ne; nonlinear; x-ray; LCLS; experiment; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevLett.106.083002},
    doi={10.1103/PhysRevLett.106.083002}
}

@conference{Roedig11,
    author={Christoph Roedig and Gilles Doumy and Sang-Kil Son and C. I. Blaga and Anthony DiChiara and R. Santra and N. Berrah and C. Bosteadt and J. D. Bozek and Philip H. Bucksbaum and J. P. Cryan and L. Fang and S. Ghimire and J. M. Glownia and M. Hoener and E. P. Kanter and B. Krassig and M. Kuebel and M. Messerschmidt and G. Paulus and David A. Reis and Nina Rohringer and L. Young and Pierre Agostini and Lou DiMauro},
    title={Multi Photon Physics at the {LCLS}},
    year={2011},
    month={16-20 October},
    booktitle={Frontiers in Optics / Laser Science XXVII},
    address={San Jose, California},
    keywords={Ne; nonlinear; x-ray; LCLS; experiment; XATOM; FEL; CFEL; DESY;},
    url={https://doi.org/10.1364/LS.2011.LThE1},
    doi={10.1364/LS.2011.LThE1}
}

@article{Son11a,
    author={Sang-Kil Son and Linda Young and Robin Santra},
    title={Impact of hollow-atom formation on coherent x-ray scattering at high intensity},
    journal={Phys. Rev. A},
    volume={83},
    pages={033402},
    year={2011},
    keywords={hollow-atom; damage; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; molecular imaging; frustrated absorption; C; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.83.033402},
    doi={10.1103/PhysRevA.83.033402}
}

@conference{Son11d,
    author={Sang-Kil Son and Robin Santra},
    title={XATOM: an integrated toolkit for X-ray and atomic physics},
    year={2011},
    month={March 18-20},
    booktitle={1st CFEL Symposium 2011},
    organization={CFEL},
    address={Sylt, Germany},
    keywords={XATOM; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; damage; FEL; C; Ne; Fe; Xe; CFEL; DESY;},
    note={poster}
}

@article{Son11e,
    author={Sang-Kil Son and Henry N. Chapman and Robin Santra},
    title={Multiwavelength anomalous diffraction at high x-ray intensity},
    journal={Phys. Rev. Lett.},
    volume={107},
    pages={218102},
    year={2011},
    keywords={MAD; x-ray scattering; x-ray diffraction; dispersion; x-ray crystallography; nanocrystal; molecular imaging; damage; phase problem; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevLett.107.218102},
    doi={10.1103/PhysRevLett.107.218102}
}

@conference{Son11f,
    author={Sang-Kil Son and Robin Santra},
    title={XATOM: an integrated toolkit for X-ray and atomic physics},
    year={2011},
    month={July 19-22},
    booktitle={The 17th International Conference on Atomic Processes in Plasmas},
    school={Queen's University},
    address={Belfast, United Kingdom},
    keywords={XATOM; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; damage; FEL; C; Ne; Fe; Xe; CFEL; DESY;},
    note={poster},
    url={http://www.qub.ac.uk/apip2011/index.html}
}

@conference{Bhardwaj12,
    author={Siddharth Bhardwaj and Sang-Kil Son and Robin Santra and Franz X. K\"artner},
    title={Recombination amplitude calculation for noble gases beyond strong field approximation in length and acceleration forms},
    year={2012},
    month={May 6-11},
    booktitle={{CLEO}},
    address={San Jose, California},
    keywords={HHG; XATOM; CFEL; DESY;},
    url={http://www.cleoconference.org}
}

@article{Dunford12a,
    author={R. W. Dunford and S. H. Southworth and D. Ray and E. P. Kanter and B. Kr\"assig and L. Young and D. A. Arms and E. M. Dufresne and D. A. Walko and O. Vendrell and Sang-Kil Son and R. Santra},
    title={Evidence for interatomic {C}oulombic decay in {Xe} $K$-shell-vacancy decay of {XeF}$_2$},
    journal={Phys. Rev. A},
    volume={86},
    pages={033401},
    year={2012},
    keywords={ICD; Xe; XeF2; Auger; Coulomb explosion; x-ray; cancer therapy; Argonne; APS; experiment; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.86.033401},
    doi={10.1103/PhysRevA.86.033401}
}

@conference{Ray12,
    author={D. Ray and R. W. Dunford and S. H. Southworth and E. P. Kanter and B. Kr\"assig and L. Young and D. A. Arms and E. M. Dufresne and D. A. Walko and O. Vendrell and Sang-Kil Son and R. Santra},
    title={Interatomic Coulombic Decay (ICD) in deep inner-shell vacancy cascades},
    year={2012},
    month={June 4-8},
    booktitle={The 43rd Meeting of the Division of Atomic, Molecular and Optical Physics},
    organization={American Physics Society},
    address={Orange County, California},
    keywords={ICD; Xe; XeF2; Auger; Coulomb explosion; x-ray; cancer therapy; XATOM; CFEL; DESY;},
    url={http://meetings.aps.org/link/BAPS.2012.DAMOP.N4.9}
}

@article{Rudek12,
    author={Benedikt Rudek and Sang-Kil Son and Lutz Foucar and Sascha W. Epp and Benjamin Erk and Robert Hartmann and Marcus Adolph and Robert Andritschke and Andrew Aquila and Nora Berrah and Christoph Bostedt and John Bozek and Nicola Coppola and Frank Filsinger and Hubert Gorke and Tais Gorkhover and Heinz Graafsma and Lars Gumprecht and Andreas Hartmann and G{\"u}nter Hauser and Sven Herrmann and Helmut Hirsemann and Peter Holl and Andr{\'e} H{\"o}mke and Loic Journel and Christian Kaiser and Nils Kimmel and Faton Krasniqi and Kai-Uwe K{\"u}hnel and Michael Matysek and Marc Messerschmidt and Danilo Miesner and Thomas M{\"o}ller and Robert Moshammer and Kiyonobu Nagaya and Bj{\"o}rn Nilsson and Guillaume Potdevin and Daniel Pietschner and Christian Reich and Daniela Rupp and Gerhard Schaller and Ilme Schlichting and Carlo Schmidt and Florian Schopper and Sebastian Schorb and Claus-Dieter Schr{\"o}ter and Joachim Schulz and Marc Simon and Heike Soltau and Lothar Str{\"u}der and Kiyoshi Ueda and Georg Weidenspointner and Robin Santra and Joachim Ullrich and Artem Rudenko and Daniel Rolles},
    title={Ultra-efficient ionization of heavy atoms by intense x-ray free-electron laser pulses},
    journal={Nat. Photon.},
    volume={6},
    pages={858--865},
    year={2012},
    keywords={Xe; resonance; excitation; damage; heavy atom; x-ray; REXMI; LCLS; experiment; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1038/nphoton.2012.261},
    doi={10.1038/nphoton.2012.261}
}

@conference{Son12,
    author={Sang-Kil Son},
    title={Electronic response to X-ray free-electron laser pulses},
    year={2012},
    month={January 7-8},
    booktitle={The 3rd CQSE International Workshop on Atomic, Molecular, and Ultrafast Science and Technology},
    school={National Taiwan University},
    address={Taipei, Taiwan},
    keywords={XATOM; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; damage; FEL; C; Ne; Fe; Xe; CFEL; DESY;},
    note={invited talk},
    url={http://www.tl.ntu.edu.tw/2012/cqse/index.asp}
}

@conference{Son12a,
    author={Sang-Kil Son and Robin Santra},
    title={XATOM: an integrated toolkit for X-ray and atomic physics},
    year={2012},
    month={January 7-8},
    booktitle={The 3rd CQSE International Workshop on Atomic, Molecular, and Ultrafast Science and Technology},
    school={National Taiwan University},
    address={Taipei, Taiwan},
    keywords={XATOM; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; damage; FEL; C; Ne; Fe; Xe; CFEL; DESY;},
    note={poster},
    url={http://www.tl.ntu.edu.tw/2012/cqse/index.asp}
}

@conference{Son12c,
    author={Sang-Kil Son and Robin Santra},
    title={XATOM: an integrated toolkit for X-ray and atomic physics},
    year={2012},
    month={February 12-17},
    booktitle={Photoions, Photoionization and Photodetachment},
    organization={Gordon Research Conference},
    address={Galveston, Texas, US},
    keywords={XATOM; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; damage; FEL; C; Ne; Fe; Xe; CFEL; DESY;},
    note={poster},
    url={https://www.grc.org/photoions-photoionization-and-photodetachment-conference/2012/}
}

@article{Son12f,
    author={Sang-Kil Son and Robin Santra},
    title={{M}onte {C}arlo calculation of ion, electron, and photon spectra of xenon atoms in x-ray free-electron laser pulses},
    journal={Phys. Rev. A},
    volume={85},
    pages={063415},
    year={2012},
    keywords={Xe; ionization dynamics; Auger; fluorescence; charge-state; Monte-Carlo; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.85.063415},
    doi={10.1103/PhysRevA.85.063415}
}

@conference{Son12i,
    author={Sang-Kil Son},
    title={Electronic response to X-ray free-electron laser pulses},
    year={2012},
    month={November 23},
    booktitle={MPC-AS seminar},
    institution={Max Planck Center for Attosecond Science},
    school={POSTECH},
    address={Pohang, Korea},
    keywords={XATOM; ionization; Auger; fluorescence; x-ray scattering; x-ray diffraction; damage; FEL; C; Fe; Xe; CFEL; DESY;},
    note={oral presentation},
    url={http://lsl.postech.ac.kr/}
}

@article{Sytcheva12a,
    author={Arina Sytcheva and Stefan Pabst and Sang-Kil Son and Robin Santra},
    title={Enhanced nonlinear response of {Ne}^{8+} to intense ultrafast x rays},
    journal={Phys. Rev. A},
    volume={85},
    pages={023414},
    year={2012},
    keywords={Ne; x-ray; nonlinear; two-photon; cross section; TDCIS; XATOM; XCID; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.85.023414},
    doi={10.1103/PhysRevA.85.023414}
}

@article{Thiele12,
    author={Robert Thiele and Sang-Kil Son and Beata Ziaja and Robin Santra},
    title={Effect of screening by external charges on the atomic orbitals and photoinduced processes within the {H}artree-{F}ock-{S}later atom},
    journal={Phys. Rev. A},
    volume={86},
    pages={033411},
    year={2012},
    keywords={plasma; screening; photoionization; photoabsorption; Auger; fluorescence; C; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.86.033411},
    doi={10.1103/PhysRevA.86.033411}
}

@article{Bhardwaj13,
    author={Siddharth Bhardwaj and Sang-Kil Son and Kyung-Han Hong and Chien-Jen Lai and Franz X. K\"artner and Robin Santra},
    title={Recombination-amplitude calculations of noble gases, in both length and acceleration forms, beyond the strong-field approximation},
    journal={Phys. Rev. A},
    volume={88},
    pages={053405},
    year={2013},
    keywords={HHG; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.88.053405},
    doi={10.1103/PhysRevA.88.053405}
}

@article{Fukuzawa13,
    author={H. Fukuzawa and Sang-Kil Son and K. Motomura and S. Mondal and K. Nagaya and S. Wada and X.-J. Liu and R. Feifel and T. Tachibana and Y. Ito and M. Kimura and T. Sakai and K. Matsunami and H. Hayashita and J. Kajikawa and P. Johnsson and M. Siano and E. Kukk and B. Rudek and B. Erk and L. Foucar and E. Robert and C. Miron and K. Tono and Y. Inubushi and T. Hatsui and M. Yabashi and M. Yao and R. Santra and K. Ueda},
    title={Deep inner-shell multiphoton ionization by intense x-ray free-electron laser pulses},
    journal={Phys. Rev. Lett.},
    volume={110},
    pages={173005},
    year={2013},
    keywords={Xe; Ar; ionization dynamics; multiphoton; multiple ionization; inner-shell; decay cascade; x-ray; SACLA; experiment; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevLett.110.173005},
    doi={10.1103/PhysRevLett.110.173005}
}

@conference{Fukuzawa13a,
    author={H. Fukuzawa and K. Motomura and Sang-Kil Son and S. Mondal and T. Tachibana and Y. Ito and M. Kimura and K. Nagaya and T. Sakai and K. Matsunami and S. Wada and H. Hayashita and J. Kajikawa and X.-J. Liu and R. Feifel and P. Johnsson and M. Siano and E. Kukk and B. Rudek and B. Erk and L. Foucar and E. Robert and C. Miron and K. Tono and Y. Inubushi and T. Hatsui and M. Yabashi and M. Yao and R. Santra and K. Ueda},
    title={Sequential multiphoton multiple ionization of {Ar} and {Xe} by {X}-ray free electron laser pulses at {SACLA}},
    year={2013},
    month={July 24-30},
    booktitle={XXVIII International Conference on Photonic, Electronic and Atomic Collisions},
    address={Lanzhou, China},
    keywords={Xe; Ar; ionization dynamics; multiphoton; multiple ionization; inner-shell; decay cascade; x-ray; SACLA; experiment; XATOM; FEL; CFEL; DESY;},
    url={http://icpeac2013.impcas.ac.cn},
    doi={10.1088/1742-6596/488/3/032034}
}

@article{Motomura13,
    author={K. Motomura and H. Fukuzawa and Sang-Kil Son and S. Mondal and T. Tachibana and Y. Ito and M. Kimura and K. Nagaya and T. Sakai and K. Matsunami and S. Wada and H. Hayashita and J. Kajikawa and X.-J. Liu and R. Feifel and P. Johnsson and M. Siano and E. Kukk and B. Rudek and B. Erk and L. Foucar and E. Robert and C. Miron and K. Tono and Y. Inubushi and T. Hatsui and M. Yabashi and M. Yao and R. Santra and K. Ueda},
    title={Sequential multiphoton multiple ionization of atomic argon and xenon irradiated by x-ray free-electron laser pulses at {SACLA}},
    journal={J. Phys. B: At. Mol. Opt. Phys.},
    volume={46},
    pages={164024},
    year={2013},
    keywords={Xe; Ar; ionization dynamics; multiphoton; multiple ionization; inner-shell; decay cascade; x-ray; SACLA; experiment; XATOM; XFEL; CFEL; DESY;},
    note={special issue on frontiers of free-electron laser science},
    url={https://doi.org/10.1088/0953-4075/46/16/164024},
    doi={10.1088/0953-4075/46/16/164024}
}

@article{Mueller13,
    author={L. M\"uller and C. Gutt and B. Pfau and S. Schaffert and J. Geilhufe and F. B\"uttner and J. Mohanty and S. Flewett and R. Treusch and S. D\"usterer and H. Redlin and A. Al-Shemmary and M. Hille and A. Kobs and R. Fr\"omter and H. P. Oepen and B. Ziaja and N. Medvedev and Sang-Kil Son and R. Thiele and R. Santra and W. Schlotter and B. Vodungbo and J. L\"uning and S. Eisebitt and G. Gr\"ubel},
    title={Breakdown of the x-ray resonant magnetic scattering signal during intense pulses of extreme ultraviolet free-electron-laser radiation},
    journal={Phys. Rev. Lett.},
    volume={110},
    pages={234801},
    year={2013},
    keywords={magnetic scattering; Co; Pt; FLASH; experiment; XATOM; FEL; XUV; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevLett.110.234801},
    doi={10.1103/PhysRevLett.110.234801}
}

@article{Rudek13,
    author={Benedikt Rudek and Daniel Rolles and Sang-Kil Son and Lutz Foucar and Benjamin Erk and Sascha Epp and Rebecca Boll and Denis Anielski and Christoph Bostedt and Sebastian Schorb and Ryan Coffee and John Bozek and Sebastian Trippel and Tatiana Marchenko and Marc Simon and Lauge Christensen and Sankar De and Shin-ichi Wada and Kiyoshi Ueda and Ilme Schlichting and Robin Santra and Joachim Ullrich and Artem Rudenko},
    title={Resonance-enhanced multiple ionization of krypton at an x-ray free-electron laser},
    journal={Phys. Rev. A},
    volume={87},
    pages={023413},
    year={2013},
    keywords={Kr; resonance; excitation; damage; heavy atom; x-ray; REXMI; LCLS; experiment; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.87.023413},
    doi={10.1103/PhysRevA.87.023413}
}

@article{Son13,
    author={Sang-Kil Son and Henry N. Chapman and Robin Santra},
    title={Determination of multiwavelength anomalous diffraction coefficients at high x-ray intensity},
    journal={J. Phys. B: At. Mol. Opt. Phys.},
    volume={46},
    pages={164015},
    year={2013},
    keywords={MAD; x-ray scattering; x-ray diffraction; dispersion; x-ray crystallography; nanocrystal; molecular imaging; damage; phase problem; XATOM; XFEL; CFEL; DESY;},
    note={special issue on frontiers of free-electron laser science},
    url={https://arxiv.org/abs/1305.3489},
    doi={10.1088/0953-4075/46/16/164015}
}

@conference{Son13a,
    author={Sang-Kil Son and Robin Santra},
    title={Inner-shell multiphoton multiple ionization dynamics of xenon atoms by x-ray free-electron laser pulses},
    year={2013},
    month={March 18-22},
    booktitle={DPG Spring Meeting of the Section AMOP},
    organization={German Physical Society},
    address={Hanover, Germany},
    keywords={Xe; heavy atom; ionization dynamics; multiphoton; multiple ionization; inner-shell; decay cascade; x-ray; LCLS; SACLA; XATOM; FEL; CFEL; DESY;},
    note={oral presentation},
    url={http://www.dpg-verhandlungen.de/year/2013/conference/hannover/part/a/session/19/contribution/4}
}

@conference{Son13d,
    author={Sang-Kil Son and Robin Santra},
    title={XATOM: an integrated toolkit for X-ray and atomic physics},
    year={2013},
    month={October 1-3},
    booktitle={3rd CFEL Symposium 2013},
    organization={CFEL},
    address={Timmendorfer Strand, Germany},
    keywords={XATOM; CFEL; DESY;},
    note={poster}
}

@conference{Son13e,
    author={Sang-Kil Son and Robin Santra},
    title={XATOM: an integrated toolkit for X-ray and atomic physics},
    year={2013},
    month={November 13-15},
    booktitle={The Hamburg Centre for Ultrafast Imaging International Symposium 2013},
    organization={CUI},
    address={Hamburg, Germany},
    keywords={XATOM; CFEL; DESY;},
    note={poster},
    url={http://www.cui.uni-hamburg.de/en/events/}
}

@conference{Thiele13,
    author={Robert Thiele and Sang-Kil Son and Beata Ziaja-Motyka and Robin Santra},
    title={Effect of screening by external charges on the atomic orbitals and photoinduced processes within the {H}artree-{F}ock-{S}later approach},
    year={2013},
    month={January 13-18},
    booktitle={33rd International Workshop on Physics of High Energy Density in Matter},
    address={Hirschegg, Austria},
    keywords={plasma; screening; XATOM; CFEL; DESY;},
    url={http://www.gsi.de/hirschegg}
}

@article{Ziaja13,
    author={Beata Ziaja and Zoltan Jurek and Nikita Medvedev and Sang-Kil Son and Robert Thiele and Sven Toleikis},
    title={Photoelectron spectroscopy method to reveal ionization potential lowering in nanoplasmas},
    journal={J. Phys. B: At. Mol. Opt. Phys.},
    volume={46},
    pages={164009},
    year={2013},
    keywords={plasma; screening; ionization potential depression; IPD; XATOM; CFEL; DESY;},
    note={special issue on frontiers of free-electron laser science},
    url={https://doi.org/10.1088/0953-4075/46/16/164009},
    doi={10.1088/0953-4075/46/16/164009}
}

@conference{Ziaja13a,
    author={Beata Ziaja and Zoltan Jurek and Nikita Medvedev and Sang-Kil Son and Robert Thiele and Robin Santra},
    title={Transitions in matter triggered by intense ultrashort X-ray pulses},
    year={2013},
    month={November 11-15},
    booktitle={55th Annual Meeting of the APS Division of Plasma Physics},
    organization={American Physical Society},
    address={Denver, Colorado},
    keywords={plasma; screening; ionization potential depression; IPD; XATOM; CFEL; DESY;},
    url={http://meetings.aps.org/link/BAPS.2013.DPP.JM10.1}
}

@conference{Fukuzawa14,
    author={Hironobu Fukuzawa and Koji Motomura and Tetsuya Tachibana and Zoltan Jurek and Sang-Kil Son and Per Johnsson and Kiyonobu Nagaya and  Marco Siano and Shin-ichi Wada and Subhindu Mondal and Mike Kimura and Yuga Ito and Tsukasa Sakai and Kenji Matsunami and Hironori Hayashita and Jumpei Kajikawa and XiaoJing Liu and Emmanuel Robert and Catalin Miron and Raimund Feifel and Edwin Kukk and Benedikt Rudek and Benjamin Erk and Lutz Foutar and Jonathan P. Marangos and Kensake Tono and Yuchi Inubushi and Takaki Matsui and Makina Yabashi and Beata Ziaja and Robin Santra and  Makoto Yao and Kiyoshi Ueda},
    title={Multiphoton Multiple Ionization of Rare-Gas Atoms and Clusters by X-Ray Free-Electron Laser Pulses from {SACLA}},
    year={2014},
    month={July 7-11},
    booktitle={19th International Conference on Ultrafast Phenomena},
    address={Okinawa, Japan},
    keywords={SACLA; XATOM; XMDYN; FEL; CFEL; DESY;},
    url={https://doi.org/10.1364/UP.2014.09.Wed.P3.3},
    doi={10.1364/UP.2014.09.Wed.P3.3}
}

@article{Murphy14,
    author={Brendan Murphy and Timur Osipov and Zoltan Jurek and Li Fang and Sang-Kil Son and Melanie Mucke and John H. D. Eland and Vitali Zhaunerchyk and Raimund Feifel and Lorenzo Avaldi and Paola Bolognesi and Christoph Bostedt and J. D. Bozek and Jakob Grilj and Markus Guehr and Leszek J. Frasinski and James Glownia and Dang Trinh Ha and Kay Hoffmann and Edwin Kukk and Brian K. McFarland and Catalin Miron and Emily Sistrunk and Richard J. Squibb and Kiyoshi Ueda and Robin Santra and Nora Berrah},
    title={Femtosecond x-ray-induced explosion of {C}$_{60}$ at extreme intensity},
    journal={Nat. Commun.},
    volume={5},
    pages={4281},
    year={2014},
    keywords={C60; molecular dynamics; LCLS; experiment; XFEL; XMDYN; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1038/ncomms5281},
    doi={10.1038/ncomms5281}
}

@conference{Saxena14,
    author={Vikrant Saxena and Zoltan Jurek and Sang-Kil Son and Beata Ziaja and Robin Santra},
    title={Large-Scale Simulations of Laser-Cluster Interactions},
    year={2014},
    month={March 17-21},
    booktitle={DPG Spring Meeting of the Section AMOP},
    organization={German Physical Society},
    address={Berlin, Germany},
    keywords={XATOM; XMDYN; CFEL; DESY;},
    url={http://www.dpg-verhandlungen.de/year/2014/conference/berlin/part/p/session/9/contribution/2}
}

@article{Slowik14,
    author={Jan Malte Slowik and Sang-Kil Son and Gopal Dixit and Zoltan Jurek and Robin Santra},
    title={Incoherent x-ray scattering in single molecule imaging},
    journal={New J. Phys.},
    volume={16},
    pages={073042},
    year={2014},
    keywords={C; inelastic scattering; incoherent scattering; Compton; molecular imaging; XFEL; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1088/1367-2630/16/7/073042},
    doi={10.1088/1367-2630/16/7/073042}
}

@conference{Slowik14a,
    author={Jan Malte Slowik and Gopal Dixit and Sang-Kil Son and Robin Santra},
    title={Inelastic X-ray Scattering in Single Molecule Imaging with Free-Electron Lasers},
    year={2014},
    month={March 17-21},
    booktitle={DPG Spring Meeting of the Section AMOP},
    organization={German Physical Society},
    address={Berlin, Germany},
    keywords={XATOM; CFEL; DESY;},
    url={http://www.dpg-verhandlungen.de/year/2014/conference/berlin/part/a/session/41/contribution/3}
}

@conference{Son14,
    author={Sang-Kil Son and Robert Thiele and Zoltan Jurek and Beata Ziaja and Robin Santra},
    title={Quantum-mechanical calculation of ionization-potential lowering in dense plasmas},
    year={2014},
    month={January 29-31},
    booktitle={European XFEL and DESY Photon Science Users' Meeting},
    institution={DESY},
    address={Hamburg, Germany},
    keywords={plasma; screening; ionization potential depression; IPD; fluorescence; Al; two-step; average-atom; XATOM; CFEL; DESY;},
    note={poster},
    url={https://indico.desy.de/conferenceDisplay.py?confId=9088}
}

@article{Son14c,
    author={Sang-Kil Son and Robert Thiele and Zoltan Jurek and Beata Ziaja and Robin Santra},
    title={Quantum-mechanical calculation of ionization potential lowering in dense plasmas},
    journal={Phys. Rev. X},
    volume={4},
    pages={031004},
    year={2014},
    keywords={plasma; screening; ionization potential depression; IPD; fluorescence; Al; two-step; average-atom; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevX.4.031004},
    doi={10.1103/PhysRevX.4.031004}
}

@conference{Son14d,
    author={Sang-Kil Son and Robert Thiele and Zoltan Jurek and Beata Ziaja and Robin Santra},
    title={Quantum-mechanical calculation of ionization potential lowering in dense plasmas},
    year={2014},
    month={September 29-October 3},
    booktitle={Radiative Properties of Hot Dense Matter},
    address={Vienna, Austria},
    keywords={plasma; screening; ionization potential depression; IPD; two-step; average-atom; HFS; Al; XATOM; CFEL; DESY;},
    note={oral presentation},
    url={https://sites.google.com/site/rphdm14/home}
}

@conference{Abdullah15,
    author={Malik Muhammad Abdullah and Zoltan Jurek and Sang-Kil Son and Robin Santra},
    title={Spatial beam profile-induced effects in x-ray scattering pattern at high intensity},
    year={2015},
    month={July 22-28},
    booktitle={XXIX International Conference on Photonic, Electronic and Atomic Collisions},
    address={Toledo, Spain},
    keywords={XATOM; XMDYN; CFEL; DESY;},
    url={https://doi.org/10.1088/1742-6596/635/10/102008},
    doi={10.1088/1742-6596/635/10/102008}
}

@article{Galli15,
    author={Lorenzo Galli and Sang-Kil Son and Thomas A. White and Robin Santra and Henry N. Chapman and Max H. Nanao},
    title={Towards {RIP} using free electron laser {SFX} data},
    journal={J. Synchrotron Radiat.},
    volume={22},
    pages={249--255},
    year={2015},
    keywords={HIP; high-intensity phasing; RIP; HI-RIP; MAD; x-ray crystallography; SFX; radiation damage; phase problem; XFEL; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1107/S1600577514027854},
    doi={10.1107/S1600577514027854}
}

@article{Galli15a,
    author={Lorenzo Galli and Sang-Kil Son and M. Klinge and S. Bajt and A. Barty and R. Bean and C. Betzel and K. R. Beyerlein and C. Caleman and R. B. Doak and M. Duszenko and H. Fleckenstein and C. Gati and B. Hunt and R. A. Kirian and M. Liang and M. H. Nanao and K. Nass and D. Oberth{\"u}r and L. Redecke and R. Shoeman and F. Stellato and C. H. Yoon and T. A. White and O. Yefanov and J. Spence and H. N. Chapman},
    title={Electronic damage in {S} atoms in a native protein crystal induced by an intense x-ray free-electron laser pulse},
    journal={Struct. Dyn.},
    volume={2},
    pages={041703},
    year={2015},
    keywords={HIP; high-intensity phasing; RIP; HI-RIP; MAD; x-ray crystallography; SFX; radiation damage; phase problem; LCLS; experiment; XFEL; XATOM; CFEL; DESY;},
    note={special issue on biology with x-ray lasers 2},
    url={https://doi.org/10.1063/1.4919398},
    doi={10.1063/1.4919398}
}

@article{Galli15b,
    author={Lorenzo Galli and Sang-Kil Son and Thomas R. M. Barends and Thomas A. White and Anton Barty and Sabine Botha and S{\'e}bastien Boutet and Carl Caleman and R. Bruce Doak and Max H. Nanao and Karol Nass and Robert L. Schoeman and Nicusor Timneanu and Robin Santra and Ilme Schlichting and Henry N. Chapman},
    title={Towards phasing using high x-ray intensity},
    journal={IUCrJ},
    volume={2},
    pages={627--634},
    year={2015},
    keywords={HIP; high-intensity phasing; MAD; x-ray crystallography; SFX; radiation damage; phase problem; LCLS; experiment; XFEL; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1107/S2052252515014049},
    doi={10.1107/S2052252515014049}
}

@conference{Son15a,
    author={Sang-Kil Son},
    title={Phasing with electronic radiation damage at high x-ray intensity},
    year={2015},
    month={January 14-16},
    booktitle={BioXFEL STC 2nd Annual International Conference},
    address={Ponce, Puerto Rico},
    keywords={HIP; HI-RIP; HI-MAD; SFX; serial femtosecond crystallography; femtosecond x-ray crystallography; nanocrystal; phase problem; XATOM; FEL; XFEL; CFEL; DESY;},
    note={invited talk},
    url={https://www.bioxfel.org/events/details/6}
}

@conference{Son15b,
    author={Sang-Kil Son and Lorenzo Galli and Henry N. Chapman and Robin Santra},
    title={High-intensity phasing 
with x-ray free-electron lasers},
    year={2015},
    month={January 28-30},
    booktitle={European XFEL and DESY Photon Science Users' Meeting},
    institution={DESY},
    address={Hamburg, Germany},
    keywords={HIP; HI-RIP; HI-MAD; SFX; serial femtosecond crystallography; femtosecond x-ray crystallography; nanocrystal; phase problem; XATOM; FEL; XFEL; CFEL; DESY;},
    note={poster},
    url={https://indico.desy.de/conferenceDisplay.py?confId=11211}
}

@conference{Son15c,
    author={Sang-Kil Son},
    title={Multiphoton multiple ionization dynamics of atoms and molecules at high x-ray intensity},
    year={2015},
    month={July 18-20},
    booktitle={International Workshop on Intense-field Short-wavelength Atomic and Molecular Processes},
    address={Hamburg, Germany},
    keywords={XATOM; XMOLECULE; MMID; XFEL; CFEL; DESY;},
    note={invited talk},
    url={http://www.xfel.eu/events/workshops/2015/iswamp3/}
}

@conference{Son15f,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules during x-ray free-electron laser pulses?},
    year={2015},
    month={November 19},
    booktitle={Seminar on Dynamical Aspects of Theoretical Chemistry},
    organization={Department of Chemistry},
    school={Free University of Berlin},
    address={Berlin, Germany},
    keywords={XATOM; XMOLECULE; x-ray multiphoton ionization; x-ray explosion dynamics; Xe; CH3I; XFEL; LCLS; SACLA; CFEL; DESY;},
    note={invited talk}
}

@conference{Son15g,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules during x-ray free-electron laser pulses?},
    year={2015},
    month={December 3},
    booktitle={Physical Colloquium},
    institution={Institute of Physics},
    school={University of Kassel},
    address={Kassel, Germany},
    keywords={XATOM; XMOLECULE; x-ray multiphoton ionization; x-ray explosion dynamics; Xe; CH3I; XFEL; LCLS; SACLA; CFEL; DESY;},
    note={invited talk}
}

@article{Tachibana15,
    author={Tetsuya Tachibana and Zoltan Jurek and Hironobu Fukuzawa and Koji Motomura and Kiyonobu Nagaya and Shin-ichi Wada and Per Johnsson and Marco Siano and S. Mondal and Yuta Ito and M. Kimura and T. Sakai and K. Matsunami and H. Hayashita and J. Kajikawa and Xiao-Jing Liu and E. Robert and Catalin Miron and Raimund Feifel and John P. Marangos and Kensuke Tono and Yuichi Inubushi and Makina Yabashi and Sang-Kil Son and Beata Ziaja and Makoto Yao and Robin Santra and Kiyoshi Ueda},
    title={Nanoplasma formation by high intensity hard x-rays},
    journal={Sci. Rep.},
    volume={5},
    pages={10977},
    year={2015},
    keywords={Ar; Xe; cluster; molecular dynamics; SACLA; experiment; XFEL; XMDYN; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1038/srep10977},
    doi={10.1038/srep10977}
}

@article{Ziaja15,
    author={Beata Ziaja and Zoltan Jurek and Nikita Medvedev and Vikrant Saxena and Sang-Kil Son and Robin Santra},
    title={Towards realistic simulations of macromolecules irradiated under the conditions of coherent diffraction imaging with an x-ray free-electron laser},
    journal={Photonics},
    volume={2},
    pages={256--269},
    year={2015},
    keywords={molecular imaging; single particle imaging; molecular dynamics; radiation damage; XFEL; XMDYN; XATOM; CFEL; DESY;},
    url={https://doi.org/10.3390/photonics2010256},
    doi={10.3390/photonics2010256}
}

@article{Abdullah16,
    author={Malik Muhammad Abdullah and Zoltan Jurek and Sang-Kil Son and Robin Santra},
    title={Calculation of x-ray scattering patterns from nanocrystals at high x-ray intensity},
    journal={Struct. Dyn.},
    volume={3},
    pages={054101},
    year={2016},
    keywords={XATOM; XMDYN; XSINC; CFEL; DESY; x-ray scattering; x-ray diffraction; nanocrystal; molecular imaging;},
    url={https://doi.org/10.1063/1.4958887},
    doi={10.1063/1.4958887}
}

@article{Jurek16,
    author={Zoltan Jurek and Sang-Kil Son and Beata Ziaja and Robin Santra},
    title={{XMDYN} and {XATOM}: versatile simulation tools for quantitative modeling of X-ray free-electron laser induced dynamics of matter},
    journal={J. Appl. Cryst.},
    volume={49},
    pages={1048--1056},
    year={2016},
    keywords={XATOM; XMDYN; XFEL; CFEL; DESY;},
    note={special issue on free-electron laser software},
    url={https://doi.org/10.1107/S1600576716006014},
    doi={10.1107/S1600576716006014}
}

@conference{Son16c,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules during x-ray free-electron laser pulses?},
    year={2016},
    month={October 18},
    booktitle={Physics and Photon Science Colloquium},
    organization={Department of Physics and Photon Science},
    school={GIST},
    address={Gwangju, Korea},
    keywords={XATOM; XMOLECULE; x-ray multiphoton ionization; x-ray explosion dynamics; Xe; CH3I; XFEL; LCLS; SACLA; CFEL; DESY;},
    note={invited talk},
    url={https://phys.gist.ac.kr/prog/bbsArticle/BBSMSTR_000000000718/view.do}
}

@conference{Son16e,
    author={Sang-Kil Son},
    title={A new computational tool for describing the behavior of molecules in high-intensity x-ray fields},
    year={2016},
    month={December 14-16},
    booktitle={Workshop on Science of ``From Matter to Materials and Life''},
    address={Hamburg, Germany},
    keywords={XATOM; XMOLECULE; XMDYN; XFEL; CFEL; DESY;},
    note={oral presentation},
    url={https://indico.desy.de/conferenceDisplay.py?confId=15714}
}

@conference{Toyota16,
    author={Koudai Toyota and Sang-Kil Son and Robin Santra},
    title={Relativistic effect on x-ray multiphoton ionization dynamics of xenon atoms},
    year={2016},
    month={February 29-March 4},
    booktitle={DPG Spring Meeting of the Section AMOP},
    organization={German Physical Society},
    address={Hanover, Germany},
    keywords={Xe; relativity; XATOM; XFEL; CFEL; DESY;},
    url={http://www.dpg-verhandlungen.de/year/2016/conference/hannover/part/a/session/39/contribution/3}
}

@article{Abdullah17,
    author={Malik Muhammad Abdullah and Anurag and Zoltan Jurek and Sang-Kil Son and Robin Santra},
    title={Molecular-dynamics approach for studying the nonequilibrium behavior of x-ray-heated solid-density matter},
    journal={Phys. Rev. E},
    volume={96},
    pages={023205},
    year={2017},
    keywords={XATOM; XMDYN; average-atom; plasma; thermalization; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevE.96.023205},
    doi={10.1103/PhysRevE.96.023205}
}

@article{Son17,
    author={Sang-Kil Son and Otfried Geffert and Robin Santra},
    title={Compton spectra of atoms at high x-ray intensity},
    journal={J. Phys. B: At. Mol. Opt. Phys.},
    volume={50},
    pages={064003},
    year={2017},
    keywords={C; Xe; Ar; x-ray scattering; Compton; XATOM; XFEL; CFEL; DESY;},
    note={special issue: emerging leaders},
    url={https://arxiv.org/abs/1702.04639},
    doi={10.1088/1361-6455/aa59cb}
}

@conference{Son17a,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules during X-ray free-electron laser pulses?},
    year={2017},
    month={June 22},
    booktitle={European XFEL Theory Seminar},
    institution={European XFEL},
    address={Schenefeld, Germany},
    keywords={XATOM; XMOLECULE; x-ray multiphoton ionization; x-ray explosion dynamics; REXMI; CREXIM; Xe; CH3I; XFEL; LCLS; SACLA; CFEL; DESY;},
    note={invited talk},
    url={http://www.xfel.eu/events/european_xfel_theory_seminars/what_happens_to_atoms_and_molecules_during_x_ray_free_electron_laser_pulses}
}

@conference{Son17b,
    author={Sang-Kil Son},
    title={Electronic structure of atoms and molecules at high x-ray intensity},
    year={2017},
    month={November 29-December 1},
    booktitle={New trends in theory for experiments at advanced light sources},
    institution={European XFEL and CFEL},
    address={Schenefeld and Hamburg, Germany},
    keywords={XATOM; XMOLECULE; x-ray multiphoton ionization; x-ray explosion dynamics; REXMI; CREXIM; Xe; CH3I; XFEL; LCLS; SACLA; CFEL; DESY;},
    note={invited talk},
    url={https://indico.desy.de/indico/event/18486/}
}

@article{Toyota17,
    author={Koudai Toyota and Sang-Kil Son and Robin Santra},
    title={Interplay between relativistic energy corrections and resonant excitations in x-ray multiphoton ionization dynamics of Xe atoms},
    journal={Phys. Rev. A},
    volume={95},
    pages={043412},
    year={2017},
    keywords={Xe; relativity; resonance; heavy atom; REXMI; XATOM; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.95.043412},
    doi={10.1103/PhysRevA.95.043412}
}

@conference{Toyota17a,
    author={Koudai Toyota and Zoltan Jurek and Sang-Kil Son and Robin Santra},
    title={Calibration of the fluence of an x-ray free-electron laser using {XATOM}},
    year={2017},
    month={March 6-10},
    booktitle={DPG Spring Meeting of the Section AMOP},
    organization={German Physical Society},
    address={Mainz, Germany},
    keywords={XATOM; XFEL; CFEL; DESY;},
    url={http://www.dpg-verhandlungen.de/year/2017/conference/mainz/part/a/session/3/contribution/4}
}

@conference{Abdullah18,
    author={Malik Muhammad Abdullah and Zoltan Jurek and Sang-Kil Son and Robin Santra},
    title={Ultrafast x-ray-driven phenomena in nanocrystals: development and application of powerful simulation tools},
    year={2018},
    month={July 15-20},
    booktitle={21st International Conference on Ultrafast Phenomena},
    address={Hamburg, Germany},
    keywords={XATOM; XMDYN; XSINC; CFEL; DESY;},
    url={http://www.up2018.org}
}

@article{Abdullah18a,
    author={Malik Muhammad Abdullah and Sang-Kil Son and Zoltan Jurek and Robin Santra},
    title={Towards the theoretical limitations of x-ray nanocrystallography at high intensity: the validity of the effective-form-factor description},
    journal={IUCrJ},
    volume={5},
    pages={699--705},
    year={2018},
    keywords={XATOM; XMDYN; XSINC; nanocrystal; SFX; radiation damage; MAD; x-ray crystallography; x-ray diffraction; x-ray scattering; CFEL; DESY;},
    url={https://doi.org/10.1107/S2052252518011442},
    doi={10.1107/S2052252518011442}
}

@conference{Bekx18,
    author={John Jasper Bekx and Sang-Kil Son and Robin Santra and Beata Ziaja},
    title={Ab-initio calculation of electron impact ionization cross sections for atoms in exotic electron configurations},
    year={2018},
    month={March 11-16},
    booktitle={DPG Spring Meeting of the Condensed Matter Section},
    organization={German Physical Society},
    address={Berlin, Germany},
    keywords={XATOM; impact ionization; XFEL; CFEL; DESY;},
    url={https://www.dpg-verhandlungen.de/year/2018/conference/berlin/part/o/session/101/contribution/7}
}

@article{Bekx18b,
    author={John Jasper Bekx and Sang-Kil Son and Robin Santra and Beata Ziaja},
    title={\textit{Ab initio} calculation of electron-impact-ionization cross sections for ions in exotic electron configurations},
    journal={Phys. Rev. A},
    volume={98},
    pages={022701},
    year={2018},
    keywords={XATOM; impact ionization; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.98.022701},
    doi={10.1103/PhysRevA.98.022701}
}

@article{Rudek18,
    author={Benedikt Rudek and Koudai Toyota and Lutz Foucar and Benjamin Erk and Rebecca Boll and C{\'e}dric Bomme and Jonathan Correa and Sebastian Carron and S{\'e}bastien Boutet and Garth J. Williams and Ken R. Ferguson and Roberto Alonso-Mori and Jason E. Koglin and Tais Gorkhover and Maximilian Bucher and Carl Stefan Lehmann and Bertold Kr{\"a}ssig and Stephen H. Southworth and Linda Young and Christoph Bostedt and Kiyoshi Ueda and Tatiana Marchenko and Marc Simon and Zoltan Jurek and Robin Santra and Artem Rudenko and Sang-Kil Son and Daniel Rolles},
    title={Relativistic and resonant effects in the ionization of heavy atoms by ultra-intense hard X-rays},
    journal={Nat. Commun.},
    volume={9},
    pages={4200},
    year={2018},
    keywords={Xe; relativity; resonance; excitation; damage; heavy atom; x-ray; REXMI; LCLS; experiment; XATOM; XCALIB; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1038/s41467-018-06745-6},
    doi={10.1038/s41467-018-06745-6}
}

@conference{Son18a,
    author={Sang-Kil Son},
    title={Ultrafast ionization and fragmentation dynamics of molecules at high x-ray intensity},
    year={2018},
    month={January 25},
    booktitle={Light-Matter Interaction: Recent Advances in Theory},
    institution={DESY},
    address={Hamburg, Germany},
    series={Satellite Workshop of European XFEL and DESY Photon Science Users' Meeting 2018},
    keywords={XATOM; XMOLECULE; x-ray multiphoton ionization; x-ray explosion dynamics; REXMI; CREXIM; Xe; CH3I; XFEL; LCLS; SACLA; CFEL; DESY;},
    note={invited talk},
    url={https://indico.desy.de/indico/event/18831/page/1}
}

@conference{Son18b,
    author={Sang-Kil Son and Koudai Toyota and Ludger Inhester and Yajiang Hao and Kota Hanasaki and Robin Santra and Benedikt Rudek and Artem Rudenko and Daniel Rolles},
    title={Giant x-ray multiphoton ionization of atoms and molecules},
    year={2018},
    month={June 24-29},
    booktitle={Multiphoton Processes},
    organization={Gordon Research Conference},
    address={Bryant University, Rhode Island, US},
    keywords={XATOM; XMOLECULE; MMID; x-ray multiphoton ionization; x-ray explosion dynamics; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={poster},
    url={https://www.grc.org/multiphoton-processes-conference/2018/}
}

@conference{Son18c,
    author={Sang-Kil Son},
    title={Ultrafast dynamics of atoms and molecules with x-ray free-electron lasers},
    year={2018},
    month={October 29-November 2},
    booktitle={Attosecond Physics at the Nanoscale},
    organization={Center for Theoretical Physics of Complex Systems},
    institution={Institute for Basic Science},
    address={Daejeon, Korea},
    keywords={XATOM; XMOLECULE; MMID; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={invited talk},
    url={http://pcs.ibs.re.kr/PCS_Workshops/PCS_AttoNano.html}
}

@conference{Son18d,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules at high x-ray intensity?},
    year={2018},
    month={October 31},
    booktitle={Special seminar},
    organization={Department of Chemistry},
    school={KAIST},
    address={Daejeon, Korea},
    keywords={XATOM; XMOLECULE; MMID; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={oral presentation},
    url={https://chem.kaist.ac.kr/schedule/menu5.php?is_convert=n}
}

@conference{Son19,
    author={Sang-Kil Son and Koudai Toyota and Ludger Inhester and Yajiang Hao and Kota Hanasaki and Robin Santra and Benedikt Rudek and Artem Rudenko and Daniel Rolles},
    title={Giant x-ray multiphoton ionization of atoms and molecules},
    year={2019},
    month={January 23-25},
    booktitle={European XFEL and DESY Photon Science Users' Meeting},
    institution={DESY},
    address={Hamburg, Germany},
    keywords={XATOM; XMOLECULE; MMID; x-ray multiphoton ionization; x-ray explosion dynamics; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={poster},
    url={https://indico.desy.de/indico/event/21832/}
}

@conference{Son19a,
    author={Sang-Kil Son},
    title={Femtosecond response of atoms and molecules to ultra-intense hard x-rays},
    year={2019},
    month={February 13-15},
    booktitle={Workshop on Science of ``From Matter to Materials and Life''},
    address={Dresden, Germany},
    keywords={XATOM; XMOLECULE; CFEL; DESY;},
    note={oral presentation},
    url={https://indico.desy.de/indico/event/22086/}
}

@conference{Son19b,
    author={Sang-Kil Son and Koudai Toyota and Robin Santra and Benedikt Rudek and Artem Rudenko and Daniel Rolles},
    title={Relativistic and resonant effects on x-ray multiphoton multiple ionization of heavy atoms},
    year={2019},
    month={March 11-15},
    booktitle={83rd Annual Meeting of the DPG and DPG Spring Meeting of the Section AMOP},
    organization={German Physical Society},
    address={Rostock, Germany},
    keywords={Xe; relativity; resonance; excitation; damage; heavy atom; x-ray; REXMI; LCLS; experiment; XATOM; XFEL; CFEL; DESY;},
    note={oral presentation},
    url={https://www.dpg-verhandlungen.de/year/2019/conference/rostock/part/a/session/28/contribution/7?lang=en}
}

@conference{Son19c,
    author={Sang-Kil Son},
    title={Ultrafast dynamics of atoms and molecules induced by intense x-ray free-electron laser pulses},
    year={2019},
    month={July 8-12},
    booktitle={28th Annual International Laser Physics Workshop},
    address={Gyeongju, Korea},
    keywords={XATOM; XMOLECULE; MMID; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={invited talk},
    url={https://www.lasphys.com/workshops/lasphys19/}
}

@conference{Son19d,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules during x-ray free-electron laser pulses?},
    year={2019},
    month={July 15},
    booktitle={Physics/BK21+ Seminar},
    organization={Department of Physics},
    school={POSTECH},
    address={Pohang, Korea},
    keywords={XATOM; XMOLECULE; MMID; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={invited talk},
    url={http://magnon1.postech.ac.kr/view/ColloquiumSeminar/4908230/}
}

@conference{Son19e,
    author={Sang-Kil Son},
    title={What happens to atoms and molecules during x-ray free-electron laser pulses?},
    year={2019},
    month={July 16},
    booktitle={Physics Seminar},
    organization={Department of Physics},
    school={UNIST},
    address={Ulsan, Korea},
    keywords={XATOM; XMOLECULE; MMID; REXMI; CREXIM; Xe; CH3I; XFEL; CFEL; DESY;},
    note={invited talk}
}

@article{Toyota19,
    author={Koudai Toyota and Zoltan Jurek and Sang-Kil Son and Hironobu Fukuzawa and Kiyoshi Ueda and Nora Berrah and Benedikt Rudek and Daniel Rolles and Artem Rudenko and Robin Santra},
    title={\emph{xcalib}: a focal spot calibrator for intense X-ray free-electron laser pulses based on the charge state distributions of light atoms},
    journal={J. Synchrotron Radiat.},
    volume={26},
    pages={1017--1030},
    year={2019},
    keywords={XCALIB; XATOM; Ar; CFEL; DESY; XFEL; LCLS; SACLA;},
    url={https://doi.org/10.1107/S1600577519003564},
    doi={10.1107/S1600577519003564}
}

@article{Son20,
    author={Sang-Kil Son and Rebecca Boll and Robin Santra},
    title={Breakdown of frustrated absorption in x-ray sequential multiphoton ionization},
    journal={Phys. Rev. Res.},
    volume={2},
    pages={023053},
    year={2020},
    keywords={XATOM; frustrated absorption; soft x-ray; x-ray multiphoton ionization; REXMI; Xe; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevResearch.2.023053},
    doi={10.1103/PhysRevResearch.2.023053}
}

@conference{Son20a,
    author={Sang-Kil Son},
    title={Breakdown of frustrated absorption in x-ray sequential multiphoton ionization},
    year={2020},
    month={April 1},
    booktitle={CFEL-DESY Theory Seminar},
    organization={CFEL},
    institution={DESY},
    address={Hamburg, Germany},
    keywords={XATOM; frustrated absorption; soft x-ray; x-ray multiphoton ionization; REXMI; Xe; XFEL; European XFEL; CFEL; DESY;},
    note={oral presentation}
}

@conference{Son20b,
    author={Sang-Kil Son},
    title={Theory of X-ray--matter interactions},
    year={2020},
    month={June 15-22},
    booktitle={Ultrafast X-ray Summer School},
    institution={PULSE},
    address={Stanford, California, United States},
    keywords={x-ray; inner-shell; photoionization; photoabsorption; Auger; fluorescence; x-ray scattering; x-ray multiphoton ionization; MMID; XATOM; XMOLECULE; CFEL; DESY;},
    note={lecture},
    url={https://web.stanford.edu/group/pulse_institute/uxss2020/}
}

@article{Jin21,
    author={Rui Jin and Malik Muhammad Abdullah and Zoltan Jurek and Robin Santra and Sang-Kil Son},
    title={Transient ionization potential depression in nonthermal dense plasmas at high x-ray intensity},
    journal={Phys. Rev. E},
    volume={103},
    pages={023203},
    year={2021},
    keywords={plasma; ionization potential depression; IPD; LTE; NLTE; nonthermal; nonequilibrium; Al; XATOM; XPOT; XMDYN; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevE.103.023203},
    doi={10.1103/PhysRevE.103.023203}
}

@article{LaForge21,
    author={Aaron C. LaForge and Sang-Kil Son and Debadarshini Mishra and Markus Ilchen and Stephen Duncanson and Eemeli Eronen and Edwin Kukk and Stanislaw Wirok-Stoletow and Daria Kolbasova and Peter Walter and Rebecca Boll and Alberto De Fanis and Michael Meyer and Yevheniy Ovcharenko and Daniel E. Rivas and Philipp Schmidt and Sergey Usenko and Robin Santra and Nora Berrah},
    title={Resonance-enhanced multiphoton ionization in the x-ray regime},
    journal={Phys. Rev. Lett.},
    volume={127},
    pages={213202},
    year={2021},
    keywords={Ar; resonance; x-ray; REMPI; XREMPI; XATOM; European XFEL; experiment; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevLett.127.213202},
    doi={10.1103/PhysRevLett.127.213202}
}

@conference{Roerig21,
    author={A. R\"orig and T. M. Baumann and B. Erk and M. Ilchen and J. Laksman and T. Mazza and M. Meyer and V. Musi\'c and S. Pathak and D. E. Rivas and D. Rolles and R. Santra and J. M. Sch\"afer and S. Serkez and P. Schmidt and S. Usenko and Sang-Kil Son and R. Boll},
    title={Non-linear multiphoton ionisation dynamics of xenon upon irradiation by highly intense soft X-ray free-electron laser pulses},
    year={2021},
    month={July 20-23},
    booktitle={XXXII International Conference on Photonic, Electronic and Atomic Collisions},
    address={virtual},
    keywords={XATOM; Xe; experiment; SQS; European XFEL; CFEL; DESY;},
    url={https://www.icpeac2021.ca}
}

@conference{Son21,
    author={Sang-Kil Son},
    title={Resonances in x-ray multiphoton ionization},
    year={2021},
    month={March 10-12},
    booktitle={Molecular quantum dynamics beyond bound states},
    institution={Institute of Physics},
    school={Rostock University},
    address={Rostock, Germany},
    keywords={XATOM; x-ray multiphoton ionization; resonance; REXMI; REMPI; experiment; European XFEL; XFEL; CFEL; DESY;},
    note={invited talk},
    url={https://molscience.wordpress.com/workshop/}
}

@conference{Son21a,
    author={Sang-Kil Son},
    title={A two-step model for studying ionization potential depression in dense plasmas},
    year={2021},
    month={June 28-29},
    booktitle={Average Atom Models for Warm Dense Matter},
    school={University of California, Berkeley},
    address={Berkeley, California, United States},
    keywords={plasma; screening; ionization potential depression; IPD; two-step; average-atom; HFS; Al; XATOM; XCRYSTAL; XMDYN; XPOT; CFEL; DESY;},
    note={invited talk},
    url={https://sites.google.com/berkeley.edu/average-atom-workshop/home}
}

@conference{Son21b,
    author={Sang-Kil Son and Aaron C. LaForge and Debadarshini Mishra and Markus Ilchen and Stephen Duncanson and Eemeli Eronen and Edwin Kukk and Stanislaw Wirok-Stoletow and Daria Kolbasova and Peter Walter and Rebecca Boll and Alberto De Fanis and Michael Meyer and Yevheniy Ovcharenko and Daniel E. Rivas and Philipp Schmidt and Sergey Usenko and Robin Santra and Nora Berrah},
    title={Resonance-enhanced multiphoton ionization in the x-ray regime},
    year={2021},
    month={July 20-23},
    booktitle={XXXII International Conference on Photonic, Electronic and Atomic Collisions},
    address={virtual},
    keywords={XATOM; XREMPI; Ar; experiment; SQS; European XFEL; CFEL; DESY;},
    note={poster},
    url={https://www.icpeac2021.ca}
}

@conference{Son21c,
    author={Sang-Kil Son},
    title={What happens to atoms, molecules, and dense plasmas at high x-ray intensity?},
    year={2021},
    month={September 14},
    booktitle={ Seminar},
    institution={Laboratory for Laser Energetics},
    school={University of Rochester},
    address={Rochester, New York, United States},
    keywords={XATOM; XMOLECULE; XMDYN; XPOT; MMID; REXMI; CREXIM; IPD; average-atom; nonequilibrium; Xe; CH3I; Al; plasma; WDM; XFEL; CFEL; DESY;},
    note={invited talk}
}

@conference{Son21d,
    author={Sang-Kil Son and Aaron C. LaForge and Debadarshini Mishra and Markus Ilchen and Stephen Duncanson and Eemeli Eronen and Edwin Kukk and Stanislaw Wirok-Stoletow and Daria Kolbasova and Peter Walter and Rebecca Boll and Alberto De Fanis and Michael Meyer and Yevheniy Ovcharenko and Daniel E. Rivas and Philipp Schmidt and Sergey Usenko and Robin Santra and Nora Berrah},
    title={Resonance-enhanced multiphoton ionization in the x-ray regime},
    year={2021},
    month={November 22-24},
    booktitle={Workshop on Science of ``From Matter to Materials and Life''},
    address={virtual},
    keywords={XATOM; XREMPI; Ar; experiment; SQS; European XFEL; CFEL; DESY;},
    note={poster}
}

@article{Budewig22,
    author={Laura Budewig and Sang-Kil Son and Robin Santra},
    title={Theoretical investigation of orbital alignment of x-ray-ionized atoms in exotic electronic configurations},
    journal={Phys. Rev. A},
    volume={105},
    pages={033111},
    year={2022},
    keywords={HFS; orbital alignment; Ar; Ne; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.105.033111},
    doi={10.1103/PhysRevA.105.033111}
}

@article{Jin22,
    author={Rui Jin and Zoltan Jurek and Robin Santra and Sang-Kil Son},
    title={Plasma environmental effects in the atomic structure for simulating x-ray free-electron-laser-heated solid-density matter},
    journal={Phys. Rev. E},
    volume={106},
    pages={015206},
    year={2022},
    keywords={plasma; ionization potential depression; IPD; LTE; NLTE; nonthermal; nonequilibrium; Al; XATOM; XPOT; XMDYN; XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevE.106.015206},
    doi={10.1103/PhysRevE.106.015206}
}

@conference{Roerig22a,
    author={Aljoscha R{\"o}rig and Thomas M. Baumann and Benjamin Erk and Markus Ilchen and Joakim Laksman and Valerija Musi{\'c} and Shashank Pathak and Daniel E. Rivas and Daniel Rolles and Svitozar Serkez and Sergey Usenko and Philipp Schmidt and Tommaso Mazza and Robin Santra and Michael Meyer and Sang-Kil Son and Rebecca Boll},
    title={Multiple-core-hole resonance spectroscopy with ultraintense X-ray pulses},
    year={2022},
    month={September 19-23},
    booktitle={Science at FELs},
    institution={DESY and European XFEL},
    address={Hamburg, Germany},
    keywords={XATOM; European XFEL; CFEL; DESY;},
    url={www.desy.de/scienceatfels2022}
}

@conference{Son22,
    author={Sang-Kil Son},
    title={Relativistic effects in x-ray multiphoton ionization dynamics},
    year={2022},
    month={September 26-30},
    booktitle={13th International Conference on Relativistic Effects in Heavy-Element Chemistry and Physics},
    address={Assisi, Italy},
    keywords={relativity; x-ray multiphoton ionization; Xe; CH3I; iodopyridine; XATOM; XMOLECULE; XMDYN; XFEL; CFEL; DESY;},
    note={invited talk},
    url={https://www.rehe2020.it}
}

@conference{Son22a,
    author={Sang-Kil Son and Robin Santra},
    title={Unusual phenomena in x-ray multiphoton ionization of atoms},
    year={2022},
    month={September 19-23},
    booktitle={Science at FELs},
    institution={DESY and European XFEL},
    address={Hamburg, Germany},
    keywords={XATOM; CFEL; DESY;},
    note={poster},
    url={www.desy.de/scienceatfels2022}
}

@article{Breckwoldt23,
    author={Niels Breckwoldt and Sang-Kil Son and Tommaso Mazza and Aljoscha R{"o}rig and Rebecca Boll and Michael Meyer and Aaron C. LaForge and Debadarshini Mishra and Nora Berrah and Robin Santra},
    title={Machine-learning calibration of intense x-ray free-electron-laser pulses using Bayesian optimization},
    journal={Phys. Rev. Res.},
    volume={5},
    pages={023114},
    year={2023},
    keywords={XCALIB; XATOM; machine learning; calibration; Ar; Ne; SQS; European XFEL; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevResearch.5.023114},
    doi={10.1103/PhysRevResearch.5.023114}
}

@article{Budewig23,
    author={Laura Budewig and Sang-Kil Son and Robin Santra},
    title={State-resolved ionization dynamics of neon atom induced by x-ray free-electron-laser pulses},
    journal={Phys. Rev. A},
    volume={107},
    pages={013102},
    year={2023},
    keywords={Ne; x-ray multiphoton ionization; state-resolved; ionization dynamics; Monte-Carlo; HFS; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevA.107.013102},
    doi={10.1103/PhysRevA.107.013102}
}

@conference{Budewig23a,
    author={Laura Budewig and Sang-Kil Son and Robin Santra and Marina Tropmann-Frick},
    title={State-resolved ionization dynamics calculations combined with machine learning},
    year={2023},
    month={May 31-June 2},
    booktitle={DASHH Evaluation},
    organization={Helmholtz Graduate School DASHH},
    address={Hamburg, Germany},
    keywords={XATOM; state-resolved; CFEL; DESY;}
}

@article{Mazza23,
    author={Tommaso Mazza and Thomas M. Baumann and Rebecca Boll and Alberto {De Fanis} and Patrik Grychtol and Markus Ilchen and Jacobo Monta{\~n}o and Valerija Music and Yevheniy Ovcharenko and Nils Rennhack and Daniel E. Rivas and Aljoscha R{\"o}rig and Philipp Schmidt and Sergey Usenko and Pawel Zio{\l}kowski and Daniele La Civita and Maurizio Vannoni and Harald Sinn and Barbara Keitel and Elke Pl{\"o}njes and Ulf Fini Jastrow and Andrey Sorokin and Kai Tiedtke and Klaus Mann and Bernd Sch{\"a}fer and Niels Breckwoldt and Sang-Kil Son and Michael Meyer},
    title={The beam transport system for the Small Quantum Systems instrument at the {E}uropean {XFEL}: optical layout and first commissioning results},
    journal={J. Synchrotron Radiat.},
    volume={30},
    pages={457--467},
    year={2023},
    keywords={XCALIB; XATOM; SQS; European XFEL; CFEL; DESY;},
    url={https://doi.org/10.1107/S1600577522012085},
    doi={10.1107/S1600577522012085}
}

@article{Roerig23,
    author={Aljoscha R{\"o}rig and Sang-Kil Son and Tommaso Mazza and Philipp Schmidt and Thomas M. Baumann and Benjamin Erk and Markus Ilchen and Joakim Laksman and Valerija Music and Shashank Pathak and Daniel E. Rivas and Daniel Rolles and Svitozar Serkez and Sergey Usenko and Robin Santra and Michael Meyer and Rebecca Boll},
    title={Multiple-core-hole resonance spectroscopy with ultraintense X-ray pulses},
    journal={Nat. Commun.},
    volume={14},
    pages={5738},
    year={2023},
    keywords={XATOM; Xe; experiment; resonance; spectroscopy; SQS; European XFEL; CFEL; DESY;},
    url={https://doi.org/10.1038/s41467-023-41505-1},
    doi={10.1038/s41467-023-41505-1}
}

@conference{Son23,
    author={Sang-Kil Son},
    title={New opportunities in x-ray spectroscopy at high intensity},
    year={2023},
    month={July 20},
    booktitle={XFEL Special Seminar},
    institution={PAL XFEL},
    school={POSTECH},
    address={Pohang, Korea},
    keywords={XATOM; Ne; Xe; European XFEL; CFEL; DESY;},
    note={invited talk}
}

@conference{Son23a,
    author={Sang-Kil Son and Aljoscha R{\"o}rig and Tommaso Mazza and Philipp Schmidt and Thomas M. Baumann and Benjamin Erk and Markus Ilchen and Joakim Laksman and Valerija Music and Shashank Pathak and Daniel E. Rivas and Daniel Rolles and Svitozar Serkez and Sergey Usenko and Robin Santra and Michael Meyer and Rebecca Boll},
    title={Multiple-core-hole resonance spectroscopy with ultraintense X-ray pulses},
    year={2023},
    month={September 27-29},
    booktitle={Workshop on Science of ``From Matter to Materials and Life''},
    school={University of Jena},
    address={Jena, Germany},
    keywords={XATOM; Xe; experiment; resonance; spectroscopy; SQS; European XFEL; CFEL; DESY;},
    note={poster}
}

@conference{Son23b,
    author={Sang-Kil Son},
    title={Multiple-core-hole resonance spectroscopy with ultraintense X-ray pulses},
    year={2023},
    month={September 20},
    booktitle={CFEL-DESY Theory Seminar},
    organization={CFEL},
    institution={DESY},
    address={Hamburg, Germany},
    keywords={XATOM; Xe; experiment; resonance; spectroscopy; SQS; European XFEL; CFEL; DESY;},
    note={oral presentation}
}

@article{Budewig24,
    author={Laura Budewig and Sang-Kil Son and Zoltan Jurek and Malik Muhammad Abdullah and Marina Tropmann-Frick and Robin Santra},
    title={X-ray-induced atomic transitions via machine learning: A computational investigation},
    journal={Phys. Rev. Res.},
    volume={6},
    pages={013265},
    year={2024},
    keywords={machine learning; Ar; x-ray multiphoton ionization; state-resolved; ionization dynamics; XATOM; CFEL; DESY;},
    url={https://doi.org/10.1103/PhysRevResearch.6.013265},
    doi={10.1103/PhysRevResearch.6.013265}
}