X-ray Coulomb explosion imaging reveals role of molecular structure in internal conversion

Autor: Jahnke, Till, Mai, Sebastian, Bhattacharyya, Surjendu, Chen, Keyu, Boll, Rebecca, Castellani, Maria Elena, Dold, Simon, Duley, Avijit, Frühling, Ulrike, Green, Alice E., Ilchen, Markus, Ingle, Rebecca, Kastirke, Gregor, Lam, Huynh Van Sa, Lever, Fabiano, Mayer, Dennis, Mazza, Tommaso, Mullins, Terence, Ovcharenko, Yevheniy, Senfftleben, Björn, Trinter, Florian, Noor, Atia Tul, Usenko, Sergey, Venkatachalam, Anbu Selvam, Rudenko, Artem, Rolles, Daniel, Meyer, Michael, Ibrahim, Heide, Gühr, Markus

Molecular photoabsorption results in an electronic excitation/ionization which couples to the rearrangement of the nuclei. The resulting intertwined change of nuclear and electronic degrees of freedom determines the conversion of photoenergy into oth

Externí odkaz: http://arxiv.org/abs/2405.15367

Unsupervised real-world knowledge extraction via disentangled variational autoencoders for photon diagnostics

Autor: Hartmann, Gregor, Goetzke, Gesa, Düsterer, Stefan, Feuer-Forson, Peter, Lever, Fabiano, Meier, David, Möller, Felix, Ramírez, Luis Vera, Guehr, Markus, Tiedtke, Kai, Viefhaus, Jens, Braune, Markus

We present real-world data processing on measured electron time-of-flight data via neural networks. Specifically, the use of disentangled variational autoencoders on data from a diagnostic instrument for online wavelength monitoring at the free elect

Externí odkaz: http://arxiv.org/abs/2206.11559

Unified picture for spatial, temporal and channel steering

Autor: Uola, Roope, Lever, Fabiano, Gühne, Otfried, Pellonpää, Juha-Pekka

Publikováno v: Phys. Rev. A 97, 032301 (2018)

Quantum steering describes how local actions on a quantum system can affect another, space-like separated, quantum state. Lately, quantum steering has been formulated also for time-like scenarios and for quantum channels. We approach all the three sc

Externí odkaz: http://arxiv.org/abs/1707.09237

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Following excited-state chemical shifts in molecular ultrafast x-ray photoelectron spectroscopy

Autor: Mayer, Dennis, Lever, Fabiano, Picconi, David, Metje, Jan, Ališauskas, Skirmantas, Calegari, Francesca, Düsterer, Stefan, Ehlert, Christopher, Feifel, Raimund, Niebuhr, Mario, Manschwetus, Bastian, Kuhlmann, Marion, Mazza, Tommaso, Robinson, Matthew Scott, Squibb, Richard James, Trabattoni, Andrea, Wallner, Måns, Saalfrank, Peter, Wolf, Thomas J. A., Gühr, Markus

Publikováno v: Nature Communications
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Nature Communications, 13(1):198. Nature Publishing Group
Nature Communications 13(1), 198 (2022). doi:10.1038/s41467-021-27908-y

The conversion of photon energy into other energetic forms in molecules is accompanied by charge moving on ultrafast timescales. We directly observe the charge motion at a specific site in an electronically excited molecule using time-resolved x-ray

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d88fee705cb1c5ab302e1381b1901f6
http://europepmc.org/articles/PMC8752854