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BibTeX file of [Thiele12] [show it without abstract]

@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}, abstract={X-ray free-electron lasers (XFELs) are a promising tool for the structural determination of macro- and biomolecules, using coherent diffractive imaging. During imaging, the intense XFEL pulses also efficiently \emph{ionize} the molecules, so it is important to estimate how the charged environment within the molecule modifies atomic properties, in comparison to the case of an isolated atom. Here, we apply the \textsc{xatom} toolkit to obtain predictions on the modified ionization thresholds and rates of some photoinduced processes in carbon. The Hartree-Fock-Slater model is extended to include the electron screening and ion correlation effects, induced by external charges. With this extended model, we obtain predictions on modifications of orbital energies, photoabsorption cross sections, Auger decay rates, fluorescence emission rates, and atomic scattering factors as a function of the density and temperature of the surrounding charges. Our results have implications for the studies of dynamics within XFEL irradiated samples, in particular for those dedicated to coherent diffraction imaging.} }

Robert Thiele, Sang-Kil Son, Beata Ziaja, and Robin 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)

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[abstract]

doi:10.1103/PhysRevA.86.033411

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