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  Evidence of Extreme Ultraviolet Superfluorescence in Xenon

Mercadier, L., Benediktovitch, A., Weninger, C., Blessenohl, M.  ., Bernitt, S., Bekker, H., et al. (2019). Evidence of Extreme Ultraviolet Superfluorescence in Xenon. Physical Review Letters, 123(2): 023201. doi:10.1103/PhysRevLett.123.023201.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-689D-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-8FCA-8
Genre: Journal Article

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https://arxiv.org/abs/1810.11097 (Preprint)
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 Creators:
Mercadier, L.1, 2, Author              
Benediktovitch, A.3, Author
Weninger, C.1, Author              
Blessenohl, M.  A.4, Author
Bernitt, S.4, 5, Author
Bekker, H.4, Author
Dobrodey, S.4, Author
Sanchez-Gonzalez, A.6, Author
Erk, B.3, Author
Bomme, C.3, Author
Boll, R.3, Author
Yin, Z.3, 7, Author
Majety, V. P.1, Author              
Steinbrügge, R.4, Author
Khalal, M.  A.8, Author
Penent, F.8, Author
Palaudoux, J.8, Author
Lablanquie, P.8, Author
Rudenko, A.9, Author
Rolles, D.3, 9, Author
López-Urrutia, J. R. C.4, AuthorRohringer, N.1, 3, 10, Author               more..
Affiliations:
1Quantum Optics with X-Rays, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938291              
2European XFEL, ou_persistent22              
3Deutsches Elektronen-Synchrotron (DESY), ou_persistent22              
4Max-Planck-Institut für Kernphysik, ou_persistent22              
5Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität Jena, ou_persistent22              
6Department of Physics, Imperial College London, ou_persistent22              
7Max Planck für biophysikalische Chemie, ou_persistent22              
8Laboratoire de Chimie Physique—Matière et Rayonnement, Université Pierre et Marie Curie, ou_persistent22              
9J. R. Macdonald Laboratory, Department of Physics, Kansas State University, ou_persistent22              
10Department of Physics, Universität Hamburg, ou_persistent22              

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 Abstract: We present a comprehensive experimental and theoretical study on superfluorescence in the extreme ultraviolet wavelength regime. Focusing a free-electron laser pulse in a cell filled with Xe gas, the medium is quasi-instantaneously population inverted by 4d-shell ionization on the giant resonance followed by Auger decay. On the timescale of ∼10  ps to ∼100  ps (depending on parameters) a macroscopic polarization builds up in the medium, resulting in superfluorescent emission of several Xe lines in the forward direction. As the number of emitters in the system is increased by either raising the pressure or the pump-pulse energy, the emission yield grows exponentially over four orders of magnitude and reaches saturation. With increasing yield, we observe line broadening, a manifestation of superfluorescence in the spectral domain. Our novel theoretical approach, based on a full quantum treatment of the atomic system and the irradiated field, shows quantitative agreement with the experiment and supports our interpretation.

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Language(s): eng - English
 Dates: 2018-10-252019-05-222019-07-102019-07-12
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.123.023201
arXiv: 1810.11097
 Degree: -

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Project name : We acknowledge the technical and scientific teams at FLASH, in particular Dr. K. Tiedtke, Dr. A. Sorokin, and Dr. R. Treusch for their support during the experiment. We acknowledge the Max Planck Society for funding the development and the initial operation of the CAMP end-station within the Max Planck Advanced Study Group at CFEL and for providing this equipment for CAMP@FLASH. The installation of CAMP@FLASH was partially funded by the BMBF Grants No. 05K10KT2, No. 05K13KT2, No. 05K16KT3, and No. 05K10KTB from FSP-302. A.S.-G. is supported by the Science and Technology Facilities Council. A. R. and D. R. are supported by the Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy, Grant No. DE-FG02-86ER13491. B. E., C. B., and D. R. also acknowledge support through the Helmholtz Young Investigator program. Z. Y. acknowledges financial support by SFB 1073, Project No. C02 from DFG. The coincidence experiments were performed at SOLEIL synchrotron; we are grateful to N. Jaouen and SEXTANTS team for help during the measurements, and to SOLEIL staff for stable operation of the storage ring. M. A. K. acknowledges the support of the Labex Plas@Par managed by the Agence Nationale de la Recherche, as part of the “Programme d’Investissements d’Avenir” under Reference No. ANR-11-IDEX-0004-02.
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 123 (2) Sequence Number: 023201 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1