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| 001 | 632800 | ||
| 005 | 20250713011711.0 | ||
| 024 | 7 | _ | |a arXiv:2409.06914 |2 arXiv |
| 024 | 7 | _ | |a 10.3204/PUBDB-2025-02225 |2 datacite_doi |
| 037 | _ | _ | |a PUBDB-2025-02225 |
| 041 | _ | _ | |a English |
| 088 | _ | _ | |a arXiv:2409.06914 |2 arXiv |
| 100 | 1 | _ | |a Linker, Thomas M. |0 P:(DE-H253)PIP1106083 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Attosecond Inner-Shell Lasing at Angstrom Wavelengths |
| 260 | _ | _ | |c 2025 |
| 336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1751964539_1761953 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a WORKING_PAPER |2 ORCID |
| 336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
| 336 | 7 | _ | |a preprint |2 DRIVER |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a Output Types/Working Paper |2 DataCite |
| 520 | _ | _ | |a Since the invention of the laser nonlinear effects such as filamentation, Rabi-cycling and collective emission have been explored in the optical regime leading to a wide range of scientific and industrial applications. X-ray free electron lasers (XFELs) have led to the extension of many optical techniques to X-rays for their advantages of angstrom scale spatial resolution and elemental specificity. One such example is XFEL driven population inversion of 1s core hole states resulting in inner-shell K$α$ (2p to 1s) X-ray lasing in elements ranging from neon to copper, which has been utilized for nonlinear spectroscopy and development of next generation X-ray laser sources. Here we show that strong lasing effects, similar to those observed in the optical regime, can occur at 1.5 to 2.1 angstrom wavelengths during high intensity (> ${10^{19}}$ W/cm${^{2}}$) XFEL driven inner-shell lasing and superfluorescence of copper and manganese. Depending on the temporal substructure of the XFEL pump pulses(containing ${~10^{6}}$ - ${10^{8}}$ photons) i, the resulting inner-shell X-ray laser pulses can exhibit strong spatial inhomogeneities as well as spectral splitting, inhomogeneities and broadening. Through 3D Maxwell Bloch theory we show that the observed spatial inhomogeneities result from X-ray filamentation, and that the spectral splitting and broadening is driven by Rabi cycling with sub-femtosecond periods. Our simulations indicate that these X-ray pulses can have pulse lengths of less than 100 attoseconds and coherence properties that open the door for quantum X-ray optics applications. |
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| 536 | _ | _ | |a AIM, DFG project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced Imaging of Matter (390715994) |0 G:(GEPRIS)390715994 |c 390715994 |x 1 |
| 536 | _ | _ | |a HIDSS-0002 - DASHH: Data Science in Hamburg - Helmholtz Graduate School for the Structure of Matter (2019_IVF-HIDSS-0002) |0 G:(DE-HGF)2019_IVF-HIDSS-0002 |c 2019_IVF-HIDSS-0002 |x 2 |
| 588 | _ | _ | |a Dataset connected to DataCite |
| 693 | _ | _ | |0 EXP:(DE-MLZ)External-20140101 |5 EXP:(DE-MLZ)External-20140101 |e Measurement at external facility |x 0 |
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| 700 | 1 | _ | |a Halavanau, Aliaksei |b 1 |
| 700 | 1 | _ | |a Kroll, Thomas |b 2 |
| 700 | 1 | _ | |a Benediktovitch, Andrei |b 3 |
| 700 | 1 | _ | |a Zhang, Yu |b 4 |
| 700 | 1 | _ | |a Michine, Yurina |b 5 |
| 700 | 1 | _ | |a Chuchurka, Stasis |0 P:(DE-H253)PIP1085353 |b 6 |
| 700 | 1 | _ | |a Abhari, Zain |b 7 |
| 700 | 1 | _ | |a Ronchetti, Daniele |0 P:(DE-H253)PIP1097855 |b 8 |u desy |
| 700 | 1 | _ | |a Fransson, Thomas |b 9 |
| 700 | 1 | _ | |a Weninger, Clemens |b 10 |
| 700 | 1 | _ | |a Fuller, Franklin D. |b 11 |
| 700 | 1 | _ | |a Aquila, Andy |b 12 |
| 700 | 1 | _ | |a Alonso-Mori, Roberto |b 13 |
| 700 | 1 | _ | |a Boutet, Sebastien |b 14 |
| 700 | 1 | _ | |a Guetg, Marc W. |b 15 |
| 700 | 1 | _ | |a Marinelli, Agostino |b 16 |
| 700 | 1 | _ | |a Lutman, Alberto A. |b 17 |
| 700 | 1 | _ | |a Yabashi, Makina |b 18 |
| 700 | 1 | _ | |a Inoue, Ichiro |b 19 |
| 700 | 1 | _ | |a Osaka, Taito |b 20 |
| 700 | 1 | _ | |a Yamada, Jumpei |b 21 |
| 700 | 1 | _ | |a Inubushi, Yuichi |b 22 |
| 700 | 1 | _ | |a Yamaguchi, Gota |b 23 |
| 700 | 1 | _ | |a Hara, Toru |b 24 |
| 700 | 1 | _ | |a Babu, Ganguli |b 25 |
| 700 | 1 | _ | |a Salpekar, Devashish |b 26 |
| 700 | 1 | _ | |a Sayed, Farheen N. |b 27 |
| 700 | 1 | _ | |a Ajayan, Pulickel M. |b 28 |
| 700 | 1 | _ | |a Kern, Jan |b 29 |
| 700 | 1 | _ | |a Yano, Junko |b 30 |
| 700 | 1 | _ | |a Yachandra, Vittal K. |b 31 |
| 700 | 1 | _ | |a Kling, Matthias F. |b 32 |
| 700 | 1 | _ | |a Pellegrini, Claudio |b 33 |
| 700 | 1 | _ | |a Yoneda, Hitoki |b 34 |
| 700 | 1 | _ | |a Rohringer, Nina |b 35 |
| 700 | 1 | _ | |a Bergmann, Uwe |0 P:(DE-H253)PIP1081673 |b 36 |e Corresponding author |
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| 910 | 1 | _ | |a External Institute |0 I:(DE-HGF)0 |k Extern |b 0 |6 P:(DE-H253)PIP1106083 |
| 910 | 1 | _ | |a European XFEL |0 I:(DE-588)1043621512 |k XFEL.EU |b 0 |6 P:(DE-H253)PIP1106083 |
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| 910 | 1 | _ | |a European XFEL |0 I:(DE-588)1043621512 |k XFEL.EU |b 36 |6 P:(DE-H253)PIP1081673 |
| 913 | 1 | _ | |a DE-HGF |b Forschungsbereich Materie |l Von Materie zu Materialien und Leben |1 G:(DE-HGF)POF4-630 |0 G:(DE-HGF)POF4-631 |3 G:(DE-HGF)POF4 |2 G:(DE-HGF)POF4-600 |4 G:(DE-HGF)POF |v Matter – Dynamics, Mechanisms and Control |x 0 |
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| 915 | _ | _ | |a Creative Commons Attribution CC BY 4.0 |0 LIC:(DE-HGF)CCBY4 |2 HGFVOC |
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| 980 | _ | _ | |a preprint |
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