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Journal Article

Attosecond Time-Resolved Photoemission from Core and Valence States of Magnesium

MPS-Authors
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Neppl,  Stefan
Attosecond Dynamics, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Physikdepartment E20, Technische Universität München;

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Ernstorfer,  Ralph
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Physikdepartment E11, Technische Universität München;

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Bothschafter,  Elisabeth
Attosecond Dynamics, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Physikdepartment E11, Technische Universität München;

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Menzel,  Dietrich
Physikdepartment E20, Technische Universität München;
Chemical Physics, Fritz Haber Institute, Max Planck Society;

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Krausz,  Ferenc
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

Kienberger ,  Reinhard
Physikdepartment E11, Technische Universität München;
Attosecond Dynamics, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

Fulltext (public)

PhysRevLett.109.087401.pdf
(Publisher version), 459KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Neppl, S., Ernstorfer, R., Bothschafter, E., Cavalieri, A. L., Menzel, D., Barth, J. V., et al. (2012). Attosecond Time-Resolved Photoemission from Core and Valence States of Magnesium. Physical Review Letters, 109(8): 087401. doi:10.1103/PhysRevLett.109.087401.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0028-15A8-9
Abstract
We report on laser-assisted attosecond photoemission from single-crystalline magnesium. In strong contrast to the previously investigated transition metal tungsten, photoelectron wave packets originating from the localized core level and delocalized valence-band states are launched simultaneously from the solid within the experimental uncertainty of 20 as. This phenomenon is shown to be compatible with a heuristic model based on free-particle-like propagation of the electron wave packets generated inside the crystal by the attosecond excitation pulse and their subsequent interaction with the assisting laser field at the metal-vacuum interface.