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Cooperative effects in nuclear excitation with coherent x-ray light

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons37705

Junker,  André
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30873

Palffy,  A.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30659

Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

Externe Ressourcen
Volltexte (frei zugänglich)

1203.2149
(Preprint), 310KB

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Zitation

Junker, A., Palffy, A., & Keitel, C. H. (2012). Cooperative effects in nuclear excitation with coherent x-ray light. New Journal of Physics, 14(8): 085025, pp. 1-21. doi:10.1088/1367-2630/14/8/085025.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-75C5-3
Zusammenfassung
The interaction between super-intense coherent x-ray light and nuclei is studied theoretically. One of the main difficulties with driving nuclear transitions arises from the very narrow nuclear excited state widths which limit the coupling between laser and nuclei. In the context of direct laser-nucleus interaction, we consider the nuclear width broadening that occurs when in solid targets, the excitation caused by a single photon is shared by a large number of nuclei, forming a collective excited state. Our results show that for certain isotopes, cooperative effects may lead to an enhancement of the nuclear excited state population by almost two orders of magnitude. Additionally, an update of previous estimates for nuclear excited state population and signal photons taking into account the experimental advances of the x-ray coherent light sources is given. The presented values are an improvement by orders of magnitude and are encouraging for the future prospects of nuclear quantum optics.