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  현재위치 ► ZanNavi's space : Research : DESY  

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Research

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2010- @DESY

Research highlights
xatom
XATOM: all about x-ray atomic physics
xmolecule
XMOLECULE: molecular black hole
MAD
XFEL gets MAD
IPD
IPD in dense plasmas
AFA
Breakdown of frustrated absorption

Tags [Statistics]

Al, APS, Ar, Argonne, ATAS, attosecond, Auger, average-atom, band structure, C, C60, cancer therapy, CFEL, CH3I, charge rearrangement, charge transfer, charge-state, cluster, CO, Co, coincidence, Compton, core-hole states, coulomb explosion, Coulomb explosion, CREXIM, cross section, damage, DCH, decay cascade, DESY, dispersion, DPG, ESCA, European XFEL, excitation, experiment, Fe, FEL, femtosecond x-ray crystallography, FLASH, fluorescence, fragmentation, frustrated absorption, H2O, heavy atom, HFS, HHG, HI-MAD, HI-RIP, high-intensity phasing, HIP, hollow-atom, ICD, impact ionization, incoherent scattering, inelastic scattering, inner-shell, iodobenzene, iodomethane, ionization, ionization dynamics, ionization potential depression, IPD, Kr, LCLS, LIED, LTE, MAD, magnetic scattering, MD, MMID, molecular dynamic, molecular dynamics, molecular imaging, Monte-Carlo, multiphoton, multiple ionization, nanocrystal, nanoplasma, Ne, NLTE, non-adiabatic, nonequilibrium, nonlinear, nonthermal, OCS, PAD, PEPIPICO, phase problem, photoabsorption, photofragmentation, photoionization, plasma, Pt, pump-probe, radiation damage, relativity, REMPI, resonance, REXMI, RIP, SACLA, SCH, screening, serial femtosecond crystallography, SFI, SFX, SH, single particle imaging, site-specificity, soft x-ray, SQS, surface hopping, TDCIS, TDDFT, thermalization, transient absorption, two-photon, two-step, ultrafast, ultrafast dynamics, water, WDM, x-ray, x-ray crystallography, x-ray diffraction, x-ray explosion dynamics, x-ray multiphoton ionization, x-ray scattering, XATOM, XCALIB, XCID, XCRYSTAL, Xe, XeF2, XFEL, XMDYN, XMOLECULE, XPOT, XREMPI, XSINC, XUV


Selected papers [All papers at DESY]
[Son11e]
Phys. Rev. Lett. 107, 218102 (2011)
[Son14c]
Phys. Rev. X 4, 031004 (2014)
[Jurek16]
J. Appl. Cryst. 49, 1048 (2016)
[Rudenko17]
Nature 546, 129 (2017)
[Rudek18]
Nat. Commun. 9, 4200 (2018)

Publications [Search]
    2021
  1. X. Li, L. Inhester, S. J. Robatjazi, B. Erk, R. Boll, et al., Pulse energy and pulse duration effects in the ionization and fragmentation of iodomethane by ultraintense hard x rays, Phys. Rev. Lett. 127, 093202 (2021) [bib][pdf][abstract][link]
  2. X. Li, L. Inhester, T. Osipov, R. Boll, R. Coffee, et al., Electron-ion coincidence measurements of molecular dynamics with intense x-ray pulses, Sci. Rep. 11, 505 (2021) [bib][pdf][abstract][link]
  3. R. Jin, M. M. Abdullah, Z. Jurek, R. Santra, and S.-K. Son, Transient ionization potential depression in nonthermal dense plasmas at high x-ray intensity, Phys. Rev. E 103, 023203 (2021) [bib][pdf][abstract][link]
  4. Y. Kumagai, Z. Jurek, W. Xu, V. Saxena, H. Fukuzawa, et al., Suppression of thermal nanoplasma emission in clusters strongly ionized by hard x-rays, J. Phys. B: At. Mol. Opt. Phys. 54, 044001 (2021) [Special issue on Frontiers of AMO Science with FELs and Synchrotron Radiation] [bib][abstract][link]
  5. D. Kolbasova, M. Hartmann, R. Jin, A. Blättermann, C. Ott, et al., Probing ultrafast coherent dynamics in core-excited xenon by using attosecond XUV-NIR transient absorption spectroscopy, Phys. Rev. A 103, 043102 (2021) [bib][pdf][abstract][link]
    2020
  1. A. Trabattoni, J. Wiese, U. De Giovannini, J.-F. Olivieri, T. Mullins, et al., Setting the photoelectron clock through molecular alignment, Nat. Commun. 11, 2546 (2020) [bib][pdf][abstract][link]
  2. Y. Kumagai, Z. Jurek, W. Xu, H. Fukuzawa, K. Motomura, et al., Real-time observation of disintegration processes within argon clusters ionized by a hard-x-ray pulse of moderate fluence, Phys. Rev. A 101, 023412 (2020) [bib][pdf][abstract][link]
  3. S.-K. Son, R. Boll, and R. Santra, Breakdown of frustrated absorption in x-ray sequential multiphoton ionization, Phys. Rev. Res. 2, 023053 (2020) [bib][pdf][abstract][link]
  4. J. J. Bekx, S.-K. Son, B. Ziaja, and R. Santra, Electronic-structure calculations for nonisothermal warm dense matter, Phys. Rev. Res. 2, 033061 (2020) [bib][pdf][abstract][link]
    2019
  1. K. Toyota, Z. Jurek, S.-K. Son, H. Fukuzawa, K. Ueda, et al., xcalib: a focal spot calibrator for intense X-ray free-electron laser pulses based on the charge state distributions of light atoms, J. Synchrotron Radiat. 26, 1017–1030 (2019) [bib][abstract][link]
  2. Y. Hao, L. Inhester, S.-K. Son, and R. Santra, Theoretical evidence for the sensitivity to molecular size of charge-rearrangement-enhanced x-ray ionization, Phys. Rev. A 100, 013402 (2019) [bib][pdf][abstract][link]
  3. N. Berrah, A. Sanchez-Gonzalez, Z. Jurek, R. Obaid, H. Xiong, et al., Femtosecond-resolved observation of the fragmentation of buckminsterfullerene following X-ray multiphoton ionization, Nat. Phys. 15, 1279–1283 (2019) [bib][abstract][link]
    2018
  1. Y. Kumagai, Z. Jurek, W. Xu, H. Fukuzawa, K. Motomura, et al., Radiation-induced chemical dynamics in Ar clusters exposed to strong x-ray pulses, Phys. Rev. Lett. 120, 223201 (2018) [bib][pdf][abstract][link]
  2. L. Inhester, B. Oostenrijk, M. Patanen, E. Kokkonen, S. H. Southworth, et al., Chemical understanding of the limited site-specificity in molecular inner-shell photofragmentation, J. Phys. Chem. Lett. 9, 1156–1163 (2018) [bib][abstract][link]
  3. J. M. Schäfer, L. Inhester, S.-K. Son, R. F. Fink, and R. Santra, Electron and fluorescence spectra of a water molecule irradiated by an x-ray free-electron laser pulse, Phys. Rev. A 97, 053415 (2018) [bib][pdf][abstract][link]
  4. B. Rudek, K. Toyota, L. Foucar, B. Erk, R. Boll, et al., Relativistic and resonant effects in the ionization of heavy atoms by ultra-intense hard X-rays, Nat. Commun. 9, 4200 (2018) [bib][pdf][abstract][link]
  5. J. J. Bekx, S.-K. Son, R. Santra, and B. Ziaja, Ab initio calculation of electron-impact-ionization cross sections for ions in exotic electron configurations, Phys. Rev. A 98, 022701 (2018) [bib][pdf][abstract][link]
  6. M. M. Abdullah, S.-K. Son, Z. Jurek, and R. Santra, Towards the theoretical limitations of x-ray nanocrystallography at high intensity: the validity of the effective-form-factor description, IUCrJ 5, 699–705 (2018) [bib][pdf][abstract][link]
    2017
  1. S.-K. Son, O. Geffert, and R. Santra, Compton spectra of atoms at high x-ray intensity, J. Phys. B: At. Mol. Opt. Phys. 50, 064003 (2017) [special issue: emerging leaders] [bib][abstract][link][link]
  2. A. Rudenko, L. Inhester, K. Hanasaki, X. Li, S. J. Robatjazi, et al., Femtosecond response of polyatomic molecules to ultra-intense hard X-rays, Nature 546, 129–132 (2017) [bib][abstract][link][link]
  3. K. Toyota, S.-K. Son, and R. Santra, Interplay between relativistic energy corrections and resonant excitations in x-ray multiphoton ionization dynamics of Xe atoms, Phys. Rev. A 95, 043412 (2017) [bib][pdf][abstract][link]
  4. M. M. Abdullah, Anurag, Z. Jurek, S.-K. Son, and R. Santra, Molecular-dynamics approach for studying the nonequilibrium behavior of x-ray-heated solid-density matter, Phys. Rev. E 96, 023205 (2017) [bib][pdf][abstract][link]
    2016
  1. Z. Jurek, S.-K. Son, B. Ziaja, and R. Santra, XMDYN and XATOM: versatile simulation tools for quantitative modeling of X-ray free-electron laser induced dynamics of matter, J. Appl. Cryst. 49, 1048–1056 (2016) [special issue on free-electron laser software] [bib][abstract][link]
  2. B. Ziaja, V. Saxena, S.-K. Son, N. Medvedev, B. Barbrel, et al., Kinetic Boltzmann approach adapted for modeling highly ionized matter created by x-ray irradiation of a solid, Phys. Rev. E 93, 053210 (2016) [bib][pdf][abstract][link]
  3. M. M. Abdullah, Z. Jurek, S.-K. Son, and R. Santra, Calculation of x-ray scattering patterns from nanocrystals at high x-ray intensity, Struct. Dyn. 3, 054101 (2016) [bib][pdf][abstract][link]
  4. L. Inhester, K. Hanasaki, Y. Hao, S.-K. Son, and R. Santra, X-ray multiphoton ionization dynamics of a water molecule irradiated by an x-ray free-electron laser pulse, Phys. Rev. A 94, 023422 (2016) [bib][pdf][abstract][link]
    2015
  1. Y. Hao, L. Inhester, K. Hanasaki, S.-K. Son, and R. Santra, Efficient electronic structure calculation for molecular ionization dynamics at high x-ray intensity, Struct. Dyn. 2, 041707 (2015) [special issue on biology with x-ray lasers 2] [bib][pdf][abstract][link]
  2. T. Tachibana, Z. Jurek, H. Fukuzawa, K. Motomura, K. Nagaya, et al., Nanoplasma formation by high intensity hard x-rays, Sci. Rep. 5, 10977 (2015) [bib][pdf][abstract][link]
  3. L. Galli, S.-K. Son, T. A. White, R. Santra, H. N. Chapman, et al., Towards RIP using free electron laser SFX data, J. Synchrotron Radiat. 22, 249–255 (2015) [bib][abstract][link]
  4. L. Galli, S.-K. Son, T. R. Barends, T. A. White, A. Barty, et al., Towards phasing using high x-ray intensity, IUCrJ 2, 627–634 (2015) [bib][pdf][abstract][link]
  5. B. Ziaja, Z. Jurek, N. Medvedev, V. Saxena, S.-K. Son, et al., Towards realistic simulations of macromolecules irradiated under the conditions of coherent diffraction imaging with an x-ray free-electron laser, Photonics 2, 256–269 (2015) [bib][pdf][abstract][link]
  6. L. Galli, S.-K. Son, M. Klinge, S. Bajt, A. Barty, et al., Electronic damage in S atoms in a native protein crystal induced by an intense x-ray free-electron laser pulse, Struct. Dyn. 2, 041703 (2015) [special issue on biology with x-ray lasers 2] [bib][pdf][abstract][link]
    2014
  1. S.-K. Son, R. Thiele, Z. Jurek, B. Ziaja, and R. Santra, Quantum-mechanical calculation of ionization potential lowering in dense plasmas, Phys. Rev. X 4, 031004 (2014) [bib][pdf][abstract][link]
  2. B. Murphy, T. Osipov, Z. Jurek, L. Fang, S.-K. Son, et al., Femtosecond x-ray-induced explosion of C60 at extreme intensity, Nat. Commun. 5, 4281 (2014) [bib][pdf][abstract][link]
  3. J. M. Slowik, S.-K. Son, G. Dixit, Z. Jurek, and R. Santra, Incoherent x-ray scattering in single molecule imaging, New J. Phys. 16, 073042 (2014) [bib][pdf][abstract][link]
    2013
  1. L. Müller, C. Gutt, B. Pfau, S. Schaffert, J. Geilhufe, et al., Breakdown of the x-ray resonant magnetic scattering signal during intense pulses of extreme ultraviolet free-electron-laser radiation, Phys. Rev. Lett. 110, 234801 (2013) [bib][pdf][abstract][link]
  2. H. Fukuzawa, S.-K. Son, K. Motomura, S. Mondal, K. Nagaya, et al., Deep inner-shell multiphoton ionization by intense x-ray free-electron laser pulses, Phys. Rev. Lett. 110, 173005 (2013) [bib][pdf][abstract][link]
  3. B. Rudek, D. Rolles, S.-K. Son, L. Foucar, B. Erk, et al., Resonance-enhanced multiple ionization of krypton at an x-ray free-electron laser, Phys. Rev. A 87, 023413 (2013) [bib][pdf][abstract][link]
  4. B. Ziaja, Z. Jurek, N. Medvedev, S.-K. Son, R. Thiele, et al., Photoelectron spectroscopy method to reveal ionization potential lowering in nanoplasmas, J. Phys. B: At. Mol. Opt. Phys. 46, 164009 (2013) [special issue on frontiers of free-electron laser science] [bib][abstract][link]
  5. S.-K. Son, H. N. Chapman, and R. Santra, Determination of multiwavelength anomalous diffraction coefficients at high x-ray intensity, J. Phys. B: At. Mol. Opt. Phys. 46, 164015 (2013) [special issue on frontiers of free-electron laser science] [bib][abstract][link][link]
  6. K. Motomura, H. Fukuzawa, S.-K. Son, S. Mondal, T. Tachibana, et al., Sequential multiphoton multiple ionization of atomic argon and xenon irradiated by x-ray free-electron laser pulses at SACLA, J. Phys. B: At. Mol. Opt. Phys. 46, 164024 (2013) [special issue on frontiers of free-electron laser science] [bib][abstract][link]
  7. S. Bhardwaj, S.-K. Son, K.-H. Hong, C.-J. Lai, F. X. Kärtner, et al., Recombination-amplitude calculations of noble gases, in both length and acceleration forms, beyond the strong-field approximation, Phys. Rev. A 88, 053405 (2013) [bib][pdf][abstract][link]
    2012
  1. A. Sytcheva, S. Pabst, S.-K. Son, and R. Santra, Enhanced nonlinear response of Ne8+ to intense ultrafast x rays, Phys. Rev. A 85, 023414 (2012) [bib][pdf][abstract][link]
  2. B. Rudek, S.-K. Son, L. Foucar, S. W. Epp, B. Erk, et al., Ultra-efficient ionization of heavy atoms by intense x-ray free-electron laser pulses, Nat. Photon. 6, 858–865 (2012) [bib][abstract][link]
  3. R. W. Dunford, S. H. Southworth, D. Ray, E. P. Kanter, B. Krässig, et al., Evidence for interatomic Coulombic decay in Xe K-shell-vacancy decay of XeF2, Phys. Rev. A 86, 033401 (2012) [bib][pdf][abstract][link]
  4. S.-K. Son and R. Santra, Monte Carlo calculation of ion, electron, and photon spectra of xenon atoms in x-ray free-electron laser pulses, Phys. Rev. A 85, 063415 (2012) [bib][pdf][abstract][link]
  5. R. Thiele, S.-K. Son, B. Ziaja, and R. Santra, Effect of screening by external charges on the atomic orbitals and photoinduced processes within the Hartree-Fock-Slater atom, Phys. Rev. A 86, 033411 (2012) [bib][pdf][abstract][link]
    2011
  1. S.-K. Son, L. Young, and R. Santra, Impact of hollow-atom formation on coherent x-ray scattering at high intensity, Phys. Rev. A 83, 033402 (2011) [bib][pdf][abstract][link]
  2. G. Doumy, C. Roedig, S.-K. Son, C. I. Blaga, A. D. DiChiara, et al., Nonlinear atomic response to intense ultrashort x rays, Phys. Rev. Lett. 106, 083002 (2011) [bib][pdf][abstract][link]
  3. S.-K. Son, H. N. Chapman, and R. Santra, Multiwavelength anomalous diffraction at high x-ray intensity, Phys. Rev. Lett. 107, 218102 (2011) [bib][pdf][abstract][link]

Talks
Seminar, Colloquium, and Lecture

[Son19e]
What happens to atoms and molecules during x-ray free-electron laser pulses? by S.-K. Son
  1. MPC-AS seminar (Max Planck Center for Attosecond Science, POSTECH, Pohang, Korea, November 23, 2012) [oral presentation] [bib][slide][abstract][link]
  2. Seminar on Dynamical Aspects of Theoretical Chemistry (Department of Chemistry, Free University of Berlin, Berlin, Germany, November 19, 2015) [invited talk] [bib][slide][abstract]
  3. Physical Colloquium (Institute of Physics, University of Kassel, Kassel, Germany, December 3, 2015) [invited talk] [bib][pdf][slide][abstract]
  4. Physics and Photon Science Colloquium (Department of Physics and Photon Science, GIST, Gwangju, Korea, October 18, 2016) [invited talk] [bib][pdf][slide][abstract][link]
  5. European XFEL Theory Seminar (European XFEL, Schenefeld, Germany, June 22, 2017) [invited talk] [bib][pdf][slide][abstract][link]
  6. Special seminar (Department of Chemistry, KAIST, Daejeon, Korea, October 31, 2018) [oral presentation] [bib][slide][abstract][link]
  7. Physics/BK21+ Seminar (Department of Physics, POSTECH, Pohang, Korea, July 15, 2019) [Invited talk] [bib][slide][abstract][link]
  8. Physics Seminar (Department of Physics, UNIST, Ulsan, Korea, July 16, 2019) [Invited talk] [bib][slide][abstract]
[Son20a]
Breakdown of frustrated absorption in x-ray sequential multiphoton ionization by S.-K. Son in CFEL-DESY Theory Seminar (CFEL, DESY, Hamburg, Germany, April 1, 2020) [oral presentation] [bib][pdf][slide][abstract]
[Son10b]
Theoretical study of strong-field multiphoton ionization of polyatomic molecules: a new time-dependent Voronoi-cell finite difference method by S.-K. Son in CFEL Seminar (CFEL, DESY, Hamburg, Germany, July 23, 2010) [oral presentation] [bib][pdf][slide][abstract][link]
[Son20b]
Theory of X-ray–matter interactions by S.-K. Son in Ultrafast X-ray Summer School (PULSE, Stanford, California, United States, June 15-22, 2020) [lecture] [bib][slide][link]

Physical Society Meeting (German, Korean, American, and Indian)

[Doumy11a]
Nonlinear atomic response to ultraintense and ultrashort x-ray pulses by G. Doumy, C. Roedig, S.-K. Son, C. I. Blaga, A. D. DiChiara, et al. in 75th Annual Meeting of the DPG and DPG Spring Meeting of the Section AMOP (German Physical Society, Dresden, Germany, March 13-18, 2011) [oral presentation] [bib][slide][abstract][link]
[Son12d]
Multiwavelength anomalous diffraction at high x-ray intensity by S.-K. Son, H. N. Chapman, and R. Santra in DPG Spring Meeting of the Section AMOP (German Physical Society, Stuttgart, Germany, March 12-16, 2012) [oral presentation] [bib][slide][abstract][link]
[Son13a]
Inner-shell multiphoton multiple ionization dynamics of xenon atoms by x-ray free-electron laser pulses by S.-K. Son and R. Santra in DPG Spring Meeting of the Section AMOP (German Physical Society, Hanover, Germany, March 18-22, 2013) [oral presentation] [bib][slide][abstract][link]
[Son16]
Ultrafast ionization and fragmentation dynamics of molecules at high x-ray intensity by S.-K. Son
  1. The 47th Meeting of the Division of Atomic, Molecular and Optical Physics (American Physics Society, Providence, Rhode Island, United States, May 23-27, 2016) [invited talk] [bib][slide][abstract][link]
  2. Korean Physical Society Fall Meeting (Korean Physical Society, Gwangju, Korea, October 19-21, 2016) [invited talk] [bib][slide][abstract][link]
  3. The 7th Topical Conference of the Indian Society of Atomic and Molecular Physics (Indian Society of Atomic and Molecular Physics, Tirupati, India, January 6-8, 2018) [invited talk] [bib][pdf][slide][abstract][link]
[Son19b]
Relativistic and resonant effects on x-ray multiphoton multiple ionization of heavy atoms by S.-K. Son, K. Toyota, R. Santra, B. Rudek, A. Rudenko, et al. in 83rd Annual Meeting of the DPG and DPG Spring Meeting of the Section AMOP (German Physical Society, Rostock, Germany, March 11-15, 2019) [oral presentation] [bib][slide][abstract][link]

Workshop and Conference

[Son15c]
Multiphoton multiple ionization dynamics of atoms and molecules at high x-ray intensity by S.-K. Son
  1. The 3rd CQSE International Workshop on Atomic, Molecular, and Ultrafast Science and Technology (National Taiwan University, Taipei, Taiwan, January 7-8, 2012) [invited talk] [bib][pdf][slide][abstract][link]
  2. International Workshop on Intense-field Short-wavelength Atomic and Molecular Processes (Hamburg, Germany, July 18-20, 2015) [invited talk] [bib][slide][abstract][link]
  3. 4th CFEL Symposium 2015 (CFEL, Timmendorfer Strand, Germany, September 30-October 2, 2015) [oral presentation] [bib]
  4. The electronic-structure problem in theoretical strong-field physics (ITAMP, Harvard University, Cambridge, Massachusetts, United States, October 10-14, 2016) [invited talk] [bib][slide][link]
  5. Workshop on Science of “From Matter to Materials and Life” (Hamburg, Germany, December 14-16, 2016) [oral presentation] [bib][abstract][link]
  6. New trends in theory for experiments at advanced light sources (European XFEL and CFEL, Schenefeld and Hamburg, Germany, November 29-December 1, 2017) [invited talk] [bib][link]
  7. Light-Matter Interaction: Recent Advances in Theory (DESY, Hamburg, Germany, January 25, 2018) in Satellite Workshop of European XFEL and DESY Photon Science Users' Meeting 2018 [invited talk] [bib][slide][link]
  8. Attosecond Physics at the Nanoscale (Center for Theoretical Physics of Complex Systems, Institute for Basic Science, Daejeon, Korea, October 29-November 2, 2018) [invited talk] [bib][slide][abstract][link]
  9. Workshop on Science of “From Matter to Materials and Life” (Dresden, Germany, February 13-15, 2019) [oral presentation] [bib][abstract][link]
  10. 28th Annual International Laser Physics Workshop (Gyeongju, Korea, July 8-12, 2019) [invited talk] [bib][slide][abstract][link]
[Son13c]
Multiwavelength anomalous diffraction at high x-ray intensity by S.-K. Son
  1. New Science Opportunities at FLASH (DESY, Hamburg, Germany, October 12-14, 2011) [oral presentation] [bib][pdf][slide][abstract][link]
  2. Ultrafast Dynamic Imaging of Matter (Banff, Canada, July 1-3, 2012) [oral presentation] [bib][pdf][slide][abstract][link]
  3. The 24th PLS Synchrotron Radiation Users' Workshop (POSTECH, Pohang, Korea, November 22, 2012) [invited talk] [bib][slide][abstract][link]
  4. Workshop on Resonant Elastic X-ray Scattering in Condensed Matter (Oxford, United Kingdom, July 15-19, 2013) [invited talk] [bib][pdf][slide][abstract][link]
  5. Photoionization and Photodetachment (Gordon Research Conference, Galveston, Texas, United States, February 23-28, 2014) [invited talk] [bib][link]
  6. 8th International Workshop on X-ray Radiation Damage to Biological Crystalline Samples (Hamburg, Germany, April 10-12, 2014) [invited talk] [bib][slide][abstract][link]
  7. CCP4 Study Weekend (Nottingham, United Kingdom, January 7-9, 2015) [invited talk] [bib][slide][abstract][link]
  8. BioXFEL STC 2nd Annual International Conference (Ponce, Puerto Rico, January 14-16, 2015) [invited talk] [bib][slide][abstract][link]
[Son14d]
Quantum-mechanical calculation of ionization potential lowering in dense plasmas by S.-K. Son, R. Thiele, Z. Jurek, B. Ziaja, and R. Santra
  1. Radiative Properties of Hot Dense Matter (Vienna, Austria, September 29-October 3, 2014) [oral presentation] [bib][slide][abstract][link]
  2. Average Atom Models for Warm Dense Matter (University of California, Berkeley, Berkeley, California, United States, June 28-29, 2021) [invited talk] [bib][slide][link]
[Son21]
Resonances in x-ray multiphoton ionization by S.-K. Son in Molecular quantum dynamics beyond bound states (Institute of Physics, Rostock University, Rostock, Germany, March 10-12, 2021) [invited talk] [bib][slide][abstract][link]

Posters
[Son13d]
XATOM: an integrated toolkit for X-ray and atomic physics by S.-K. Son and R. Santra
  1. 1st CFEL Symposium 2011 (CFEL, Sylt, Germany, March 18-20, 2011) [poster] [bib][poster][abstract]
  2. The 17th International Conference on Atomic Processes in Plasmas (Queen's University, Belfast, United Kingdom, July 19-22, 2011) [poster] [bib][pdf][poster][abstract][link]
  3. The 3rd CQSE International Workshop on Atomic, Molecular, and Ultrafast Science and Technology (National Taiwan University, Taipei, Taiwan, January 7-8, 2012) [poster] [bib][poster][abstract][link]
  4. Photoions, Photoionization and Photodetachment (Gordon Research Conference, Galveston, Texas, US, February 12-17, 2012) [poster] [bib][abstract][link]
  5. 3rd CFEL Symposium 2013 (CFEL, Timmendorfer Strand, Germany, October 1-3, 2013) [poster] [bib][poster][abstract]
  6. The Hamburg Centre for Ultrafast Imaging International Symposium 2013 (CUI, Hamburg, Germany, November 13-15, 2013) [poster] [bib][abstract][link]
[Son19]
Giant x-ray multiphoton ionization of atoms and molecules by S.-K. Son, K. Toyota, L. Inhester, Y. Hao, K. Hanasaki, et al.
  1. Multiphoton Processes (Gordon Research Conference, Bryant University, Rhode Island, US, June 24-29, 2018) [poster] [bib][abstract][link]
  2. European XFEL and DESY Photon Science Users' Meeting (DESY, Hamburg, Germany, January 23-25, 2019) [poster] [bib][poster][abstract][link]
[Son11b]
Impact of hollow-atom formation on coherent x-ray scattering at high intensity by S.-K. Son, L. Young, and R. Santra
  1. European XFEL and HASYLAB Users' Meeting (DESY, Hamburg, Germany, January 26-28, 2011) [poster] [bib][poster][abstract][link]
  2. 75th Annual Meeting of the DPG and DPG Spring Meeting (German Physical Society, Dresden, Germany, March 13-18, 2011) [poster] [bib][abstract][link]
[Son12b]
Multiwavelength anomalous diffraction at high x-ray intensity by S.-K. Son, H. N. Chapman, and R. Santra
  1. European XFEL and HASYLAB Users' Meeting (DESY, Hamburg, Germany, January 25-27, 2012) [poster] [bib][poster][abstract][link]
  2. Science at FELs (DESY, Hamburg, Germany, July 15-18, 2012) [poster] [bib][pdf][abstract][link]
[Son15b]
High-intensity phasing 
with x-ray free-electron lasers by S.-K. Son, L. Galli, H. N. Chapman, and R. Santra in European XFEL and DESY Photon Science Users' Meeting (DESY, Hamburg, Germany, January 28-30, 2015) [poster] [bib][poster][abstract][link]
[Son14]
Quantum-mechanical calculation of ionization-potential lowering in dense plasmas by S.-K. Son, R. Thiele, Z. Jurek, B. Ziaja, and R. Santra in European XFEL and DESY Photon Science Users' Meeting (DESY, Hamburg, Germany, January 29-31, 2014) [poster] [bib][poster][abstract][link]
[Son21b]
Resonance-enhanced multiphoton ionization in the x-ray regime by S.-K. Son, A. C. LaForge, D. Mishra, M. Ilchen, S. Duncanson, et al. in XXXII International Conference on Photonic, Electronic and Atomic Collisions (virtual, July 20-23, 2021) [poster] [bib][poster][abstract][link]

Participations by colleagues
  1. C. Roedig et al., FiO/LS (2011) [bib][abstract][link]
  2. A. Sytcheva et al., DPG (2012) [bib][abstract][link]
  3. R. W. Dunford et al., DPG (2012) [bib][abstract][link]
  4. B. Rudek et al., DPG (2012) [bib][abstract][link]
  5. D. Ray et al., DAMOP (2012) [bib][abstract][link]
  6. S. Bhardwaj et al., CLEO (2012) [bib][link]
  7. L. Müller et al., Science at FELs (2012) [bib][link]
  8. R. Thiele et al., PHEDM (2013) [bib][link]
  9. H. Fukuzawa et al., ICPEAC (2013) [bib][pdf][abstract][link][link]
  10. B. Ziaja et al., DPP (2013) [bib][abstract][link]
  11. J. M. Slowik et al., DPG (2014) [bib][abstract][link]
  12. V. Saxena et al., DPG (2014) [bib][abstract][link]
  13. H. Fukuzawa et al., UP (2014) [bib][abstract][link]
  14. Y. Hao et al., DPG (2015) [bib][abstract][link]
  15. K. Hanasaki et al., FEMTO12 (2015) [bib][abstract][link]
  16. M. M. Abdullah et al., ICPEAC (2015) [bib][pdf][abstract][link]
  17. B. Ziaja et al., DPG (2016) [bib][abstract][link]
  18. L. Inhester et al., DPG (2016) [bib][abstract][link]
  19. K. Toyota et al., DPG (2016) [bib][abstract][link]
  1. L. Inhester et al., DPG (2017) [bib][abstract][link]
  2. K. Toyota et al., DPG (2017) [bib][abstract][link]
  3. K. Hanasaki et al., SCKD (2017) [bib][link]
  4. L. Inhester et al., DPG (2018) [bib][abstract][link]
  5. J. M. Schäfer et al., DPG (2018) [bib][abstract][link]
  6. J. J. Bekx et al., DPG-SKM (2018) [bib][abstract][link]
  7. M. M. Abdullah et al., UP (2018) [bib][abstract][link]
  8. A. Trabattoni et al., UP (2018) [bib][abstract][link]
  9. D. Kolbasova et al., UP (2018) [bib][abstract][link]
  10. J. M. Schäfer et al., UP (2018) [bib][abstract][link]
  11. L. Inhester et al., UP (2018) [bib][abstract][link]
  12. L. Inhester et al., ICPEAC (2019) [bib][pdf][abstract][link][link]
  13. J. J. Bekx et al., Users' Meeting (2020) [bib][link]
  14. L. Inhester et al., ViCPEAC (2021) [bib][abstract][link]
  15. D. Kolbasova et al., ViCPEAC (2021) [bib][abstract][link]
  16. A. Rörig et al., ViCPEAC (2021) [bib][abstract][link]

Supervision
Nov. 2020 ~ Jun. 2021 Dr. John Jasper Bekx, Post-Doctoral Fellow, CFEL, DESY, Germany
Oct. 2018 ~ present Dr. Rui Jin, Post-Doctoral Fellow, CFEL, DESY, Germany
Jul. 2018 ~ Sep. 2018 Tanakrit Mamee, DESY Summer Student, DESY, Germany
Oct. 2017 ~ present Julia Schäfer, Ph.D. Student, Dept. of Chemistry, Uni. Hamburg, Germany
Aug. 2017 ~ Aug. 2021 Daria Kolbasova, Ph.D. Student, Dept. of Physics, Uni. Hamburg, Germany
Jan. 2017 ~ Jul. 2017 Julia Schäfer, Master Student, Dept. of Chemistry, Uni. Tübingen, Germany
Jul. 2016 ~ Sep. 2016 Daria Kolbasova, DESY Summer Student, DESY, Germany
Apr. 2015 ~ Jul. 2018 Dr. Koudai Toyota, Post-Doctoral Fellow, CFEL, DESY, Germany
Oct. 2014 ~ Sep. 2019 Dr. Ludger Inhester, Post-Doctoral Fellow, CFEL, DESY, Germany
Jul. 2014 ~ Sep. 2014 Dmitrii Shedogubov, DESY Summer Student, DESY, Germany
Jan. 2014 ~ Dec. 2014    Dr. Yajiang Hao, Post-Doctoral Fellow, CFEL, DESY, Germany
Jul. 2013 ~ Sep. 2013 Ekaterina Staroselskaya (Kuzmina), DESY Summer Student, DESY, Germany
Jul. 2013 ~ Dec. 2013 Muhammad Saqib, Ph.D. Student, Dept. of Physics, Uni. Hamburg, Germany

Organizing workshops and schools / Teaching experiences
Service
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