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  Resonantly enhanced photoionization in correlated three-atomic systems

Najjari, B., Müller, C., & Voitkiv, A. (2012). Resonantly enhanced photoionization in correlated three-atomic systems. New Journal of Physics, 14(10): 105028, pp. 1-14. Retrieved from http://arxiv.org/abs/1203.2038.

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1203.2038 (Preprint), 284KB
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1203.2038
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http://iopscience.iop.org/1367-2630/14/10/105028/ (Verlagsversion)
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 Urheber:
Najjari, Bennaceur1, Autor           
Müller, C.2, 3, Autor           
Voitkiv, A.B.1, Autor           
Affiliations:
1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              
2Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society, ou_904546              
3Institut für Theoretische Physik I, Heinrich-Heine Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany , ou_persistent22              

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Schlagwörter: Physics, Atomic Physics, physics.atom-ph,Quantum Physics, quant-ph
 Zusammenfassung: Modifications of photoionization arising from resonant electron-electron correlations between neighbouring atoms in an atomic sample are studied. The sample contains atomic species A and B, with the ionization potential of A being smaller than the energy of a dipole-allowed transition in B. The atoms are subject to an external radiation field which is near-resonant with the dipole transition in B. Photoionization of an atom A may thus proceed via a two-step mechanism: photoexcitation in the subsystem of species B, followed by interatomic Coulombic decay. As a basic atomic configuration, we investigate resonant photoionization in a three-atomic system A-B-B, consisting of an atom A and two neighbouring atoms B. It is found that, under suitable conditions, the influence of the neighbouring atoms can strongly affect the photoionization process, including its total probabilty, time development and photoelectron spectra. In particular, by comparing our results with those for photoionization of an isolated atom A and a two-atomic system A-B, respectively, we reveal the characteristic impact exerted by the third atom.

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 Datum: 2012-03-092012-10-29
 Publikationsstatus: Online veröffentlicht
 Seiten: 10 pages, 3 figures
 Ort, Verlag, Ausgabe: -
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 Identifikatoren: arXiv: 1203.2038
URI: http://arxiv.org/abs/1203.2038
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Titel: New Journal of Physics
  Andere : New J. Phys.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Bristol, UK : Institute of Physics Pub.
Seiten: 14 Band / Heft: 14 (10) Artikelnummer: 105028 Start- / Endseite: 1 - 14 Identifikator: ISSN: 1367-2630
CoNE: https://pure.mpg.de/cone/journals/resource/954926913666