| Home > Publications database > Attosecond Time-Resolved Photoemission from Core and Valence States of Magnesium |
| Journal Article | PUBDB-2016-03220 |
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2012
APS
College Park, Md.
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Please use a persistent id in citations: doi:10.1103/PhysRevLett.109.087401
Abstract: We report on laser-assisted attosecond photoemission from single-crystalline magnesium. In strongcontrast to the previously investigated transition metal tungsten, photoelectron wave packets originatingfrom the localized core level and delocalized valence-band states are launched simultaneously from thesolid within the experimental uncertainty of 20 as. This phenomenon is shown to be compatible with aheuristic model based on free-particle-like propagation of the electron wave packets generated inside thecrystal by the attosecond excitation pulse and their subsequent interaction with the assisting laser field atthe metal-vacuum interface.
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