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Title: Sensitivity of nonlinear photoionization to resonance substructure in collective excitation

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms7799· OSTI ID:1208911
 [1];  [2];  [3];  [4];  [4];  [5];  [6];  [6];  [6];  [1];  [2]
  1. European XFEL GmbH, Hamburg (Germany)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. of Hamburg, Hamburg (Germany)
  3. European XFEL GmbH, Hamburg (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. European XFEL GmbH, Hamburg (Germany); Univ. of Hamburg, Hamburg (Germany)
  5. CNR Instituto di Struttura della Materia, Monterotondo Scalo (Italy)
  6. Dublin City Univ., Dublin (Ireland)
+ Show Author Affiliations

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.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC03-76SF00515
OSTI ID:
1208911
Journal Information:
Nature Communications, Vol. 6; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

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Cited By (16)

Perspective: Opportunities for ultrafast science at SwissFEL journal November 2017
Nonlinear XUV-optical transient grating spectroscopy at the Si L 2,3 –edge journal May 2019
Roadmap of ultrafast x-ray atomic and molecular physics journal January 2018
Suppression of hole decoherence in ultrafast photoionization journal April 2020
Time-dependent configuration-interaction-singles calculation of the 5 p -subshell two-photon ionization cross section in xenon journal January 2017
Attosecond Interferometry with Self-Amplified Spontaneous Emission of a free-electron laser text January 2017
Attosecond x-ray scattering from a particle-hole wave packet text January 2017
Building an Optical Free-Electron Laser in the Traveling-Wave Thomson-Scattering Geometry journal January 2019
Attosecond interferometry with self-amplified spontaneous emission of a free-electron laser journal May 2017
Suppression of hole decoherence in ultrafast photoionization text January 2020
Roadmap of ultrafast x-ray atomic and molecular physics text January 2019
Two-electron processes in multiple ionization under strong soft-x-ray radiation text January 2016
Perspective: Opportunities for ultrafast science at SwissFEL text January 2017
Perspective: Opportunities for ultrafast science at SwissFEL text January 2017
Roadmap of ultrafast x-ray atomic and molecular physics text January 2018
Attosecond pulse characterization with coherent Rydberg wavepackets text January 2016

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74 ATOMIC AND MOLECULAR PHYSICS
physical sciences
atomic and molecular physics