%% The BibTeX file generated by www.zannavi.com/biblio
%% All citations  containing “two-photon”

@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{Wirok-Stoletow22,
    author={Stanislaw Wirok-Stoletow and Rui Jin and Daria Kolbasova and Sang-Kil Son and Andrew Aquila and Robin Santra},
    title={Nonsequential two-photon absorption in solid {Ge} irradiated by an intense x-ray free-electron-laser pulse},
    journal={Phys. Rev. A},
    volume={106},
    pages={023118},
    year={2022},
    keywords={TDCIS; XMDYN; two-photon; photoionization; Ge; plasma; CFEL; DESY; ;},
    url={https://doi.org/10.1103/PhysRevA.106.023118},
    doi={10.1103/PhysRevA.106.023118}
}