Cited by 32Laser-Matter Interactions and ApplicationsAtomic and Molecular PhysicsQuantum optics and atomic interactions

Sensitivity of nonlinear photoionization to resonance substructure in collective excitation

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Mazza, T., Karamatskou, A., Ilchen, M., Bakhtiarzadeh, S., Rafipoor, A. J., O’Keeffe, P., Kelly, T. J., Walsh, N. +3 more·2015·Nature Communications

Abstract

Collective behaviour is a characteristic feature in many-body systems, important for developments in fields such as magnetism, superconductivity, photonics and electronics. Recently, there has been increasing interest in the optically nonlinear response of collective excitations. Here we demonstrate how the nonlinear interaction of a many-body system with intense XUV radiation can be used as an effective probe for characterizing otherwise unresolved features of its collective response. Resonant photoionization of atomic xenon was chosen as a case study. The excellent agreement between experiment and theory strongly supports the prediction that two distinct poles underlie the giant dipole resonance. Our results pave the way towards a deeper understanding of collective behaviour in atoms, molecules and solid-state systems using nonlinear spectroscopic techniques enabled by modern short-wavelength light sources.

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  • Direct two-photon processes have been observed in above-threshold ionization and in formation of double core hole states.

    “Direct two-photon processes have been observed in the manifestation of above threshold ionization [75] and formation of double core hole states [76].”

    From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [75]

  • Intense short-wavelength pulses open access to new phenomena and additional information that cannot be obtained in the one-photon regime.

    “demonstrate that the intense short-wavelength pulses open access to new phenomena and to additional information, which cannot be obtained in the one-photon regime [75].”

    From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [75]

  • When it comes to the development of short-wavelength nonlinear spectroscopy, the challenges for electronic-structure theory are maybe even more severe.

    “When it comes to the development of short-wavelength nonlinear spectroscopy [75,115], the challenges for electronic-structure theory are maybe even more severe.”

    From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [75]

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Authors
Mazza, T., Karamatskou, A., Ilchen, M., Bakhtiarzadeh, S., Rafipoor, A. J., O’Keeffe, P., Kelly, T. J., Walsh, N., Costello, J. T., Meyer, M., & Santra, R.
Affiliations
  • European X-Ray Free-Electron Laser (DE)
  • Universität Hamburg (DE)
  • SLAC National Accelerator Laboratory (US)
  • Institute of Structure of Matter (IT)
  • Dublin City University (IE)
Corresponding author
  • Meyer, M.
  • Santra, R.
Venue
Nature Communications
Published
2015-04-09
Volume
6
Issue
1
Pages
6799-6799
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2012921668
Cited by
32
References
28
Citations by year
2024: 2 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 2 · 2019: 3 · 2018: 4 · 2017: 8 · 2016: 5 · 2015: 2
FWCI
3.20
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Repository@Hull (Worktribe) (University of Hull) (acceptedVersion, cc-by)
  • DESY Publication Database (PUBDB) (Deutsches Elektronen-Synchrotron) (submittedVersion, cc-by)
  • Repository@Hull (Worktribe) (University of Hull) (submittedVersion, cc-by)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • European XFEL (submittedVersion)
Funders
  • Science Foundation Ireland (12/IA/1742)
  • Deutsche Forschungsgemeinschaft (SFB 925/A5, SFB 925, SFB925/A1)
  • Volkswagen Foundation
  • Deutsches Elektronen-Synchrotron
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atomic and Molecular Physics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
Keywords
collective excitations, giant dipole resonance, XUV radiation, many-body systems, nonlinear spectroscopy

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