A perfect X-ray beam splitter and its applications to time-domain interferometry and quantum optics exploiting free-electron lasers

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Reiche, S., Knopp, G., Pedrini, B., Prat, E., Aeppli, G., & Gerber, S. (2022). A perfect X-ray beam splitter and its applications to time-domain interferometry and quantum optics exploiting free-electron lasers. Proceedings of the National Academy of Sciences of the United States of America PNAS, 119(7), e2117906119 (5 pp.). https://doi.org/10.1073/pnas.2117906119