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Cord Arnold

Coordinator of Rydberg seminars

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Photoionization in the time and frequency domain

Author

  • M. Isinger
  • R. J. Squibb
  • D. Busto
  • S. Zhong
  • A. Harth
  • D. Kroon
  • S. Nandi
  • C. L. Arnold
  • M. Miranda
  • J. M. Dahlström
  • E Lindroth
  • R. Feifel
  • M. Gisselbrecht
  • A. L'Huillier
Show all

Summary, in English

Ultrafast processes in matter, such as the electron emission following light absorption, can now be studied using ultrashort light pulses of attosecond duration (10−18 s) in the extreme ultraviolet spectral range. The lack of spectral resolution due to the use of short light pulses has raised issues in the interpretation of the experimental results and the comparison with theoretical calculations. We determine photoionization time delays in neon atoms over a 40 eV energy range with an interferometric technique combining high temporal and spectral resolution. We spectrally disentangle direct ionization from ionization with shake-up, in which a second electron is left in an excited state, and obtain excellent agreement with theoretical calculations, thereby solving a puzzle raised by 7-year-old measurements.

Department/s

  • Atomic Physics
  • MAX IV Laboratory
  • Synchrotron Radiation Research

Publishing year

2017-11-17

Language

English

Pages

893-896

Publication/Series

Science

Volume

358

Issue

6365

Document type

Journal article

Publisher

American Association for the Advancement of Science (AAAS)

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0036-8075