Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions

Siek F, Neb S, Bartz P, Hensen M, Strüber C, Fiechter S, Torrent-Sucarrat M, Silkin VM, Krasovskii EE, Kabachnik NM, Fritzsche S, et al. (2017)
SCIENCE 357(6357): 1274-1277.

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Attosecond time-resolved photoemission spectroscopy reveals that photoemission from solids is not yet fully understood. The relative emission delays between four photoemission channels measured for the van der Waals crystal tungsten diselenide (WSe2) can only be explained by accounting for both propagation and intra-atomic delays. The intra-atomic delay depends on the angular momentum of the initial localized state and is determined by intra-atomic interactions. For the studied case of WSe2, the photoemission events are time ordered with rising initial-state angular momentum. Including intra-atomic electron-electron interaction and angular momentum of the initial localized state yields excellent agreement between theory and experiment. This has required a revision of existing models for solid-state photoemission, and thus, attosecond time-resolved photoemission from solids provides important benchmarks for improved future photoemission models.
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Siek F, Neb S, Bartz P, et al. Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions. SCIENCE. 2017;357(6357):1274-1277.
Siek, F., Neb, S., Bartz, P., Hensen, M., Strüber, C., Fiechter, S., Torrent-Sucarrat, M., et al. (2017). Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions. SCIENCE, 357(6357), 1274-1277. doi:10.1126/science.aam9598
Siek, F., Neb, S., Bartz, P., Hensen, M., Strüber, C., Fiechter, S., Torrent-Sucarrat, M., Silkin, V. M., Krasovskii, E. E., Kabachnik, N. M., et al. (2017). Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions. SCIENCE 357, 1274-1277.
Siek, F., et al., 2017. Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions. SCIENCE, 357(6357), p 1274-1277.
F. Siek, et al., “Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions”, SCIENCE, vol. 357, 2017, pp. 1274-1277.
Siek, F., Neb, S., Bartz, P., Hensen, M., Strüber, C., Fiechter, S., Torrent-Sucarrat, M., Silkin, V.M., Krasovskii, E.E., Kabachnik, N.M., Fritzsche, S., Diez Muino, R., Echenique, P.M., Kazansky, A.K., Müller, N., Pfeiffer, W., Heinzmann, U.: Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions. SCIENCE. 357, 1274-1277 (2017).
Siek, Fabian, Neb, Sergej, Bartz, Peter, Hensen, Matthias, Strüber, Christian, Fiechter, Sebastian, Torrent-Sucarrat, Miquel, Silkin, Vyacheslav M., Krasovskii, Eugene E., Kabachnik, Nikolay M., Fritzsche, Stephan, Diez Muino, Ricardo, Echenique, Pedro M., Kazansky, Andrey K., Müller, Norbert, Pfeiffer, Walter, and Heinzmann, Ulrich. “Angular momentum-induced delays in solid-state photoemission enhanced by intra-atomic interactions”. SCIENCE 357.6357 (2017): 1274-1277.
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Ultrafast quantum control of ionization dynamics in krypton.
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PMID: 29459621
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Yakovlev VS, Karpowicz N., Science 357(6357), 2017
PMID: 28935793

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