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Verfasst von:Demekhin, Philipp V. [VerfasserIn]   i
 Cederbaum, Lorenz S. [VerfasserIn]   i
Titel:Strong interference effects in the resonant Auger decay of atoms induced by intense x-ray fields
Verf.angabe:Philipp V. Demekhin and Lorenz S. Cederbaum
Jahr:2011
Umfang:12 S.
Fussnoten:Gesehen am 05.05.2022
Titel Quelle:Enthalten in: Physical review / A
Ort Quelle:College Park, Md., 1970
Jahr Quelle:2011
Band/Heft Quelle:83(2011), 2, Artikel-ID 023422, Seite 1-12
ISSN Quelle:1094-1622
Abstract:The theory of resonant Auger decay of atoms in a high-intensity coherent x-ray pulse is presented. The theory includes the coupling between the ground state and the resonance due to an intense x-ray pulse, taking into account the decay of the resonance and the direct photoionization of the ground state, both populating the final ionic states coherently. The theory also considers the impact of the direct photoionization of the resonance state itself which typically populates highly excited ionic states. The combined action of the resonant decay and of the direct ionization of the ground state in the field induces a non-Hermitian time-dependent coupling between the ground and the “dressed” resonance stats. The impact of these competing processes on the total electron yield and on the 2s22p4(1D)3p 2P spectator and 2s12p6 2S participator Auger decay spectra of the Ne 1s→3p resonance is investigated. The role of the direct photoionization of the ground state and of the resonance increases dramatically with the field intensity. This results in strong interference effects with distinct patterns in the electron spectra, which differ for the participator and spectator final states.
DOI:doi:10.1103/PhysRevA.83.023422
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext ; Verlag: https://doi.org/10.1103/PhysRevA.83.023422
 Volltext: https://link.aps.org/doi/10.1103/PhysRevA.83.023422
 DOI: https://doi.org/10.1103/PhysRevA.83.023422
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1801015031
Verknüpfungen:→ Zeitschrift

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