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Cord Arnold

Coordinator of Rydberg seminars

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Can we break the symmetry along the polarization axis in photoionization?

Author

  • Y. C. Cheng
  • S. Mikaelsson
  • S. Nandi
  • L. Rämisch
  • C. Guo
  • A. Harth
  • J. Vogelsang
  • M. Miranda
  • C. L. Arnold
  • A. L'Huillier
  • M. Gisselbrecht
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Summary, in English

Photoionization is a fundamental process in which an electron is emitted from an atom. The emission is traditionally considered to be symmetric with respect to the polarization axis, unless it is temporally confined to a period shorter than an optical cycle time. We demonstrate that this symmetry can still be broken by combining a train of a few attosecond pulses and a dressing laser field. The light fields act as temporal slits and phase modulator that releases electron wavepackets. The resulting photoelectron spectra differ for electrons emitted in opposite direction along the polarization.

Department/s

  • Atomic Physics
  • Combustion Physics
  • NanoLund: Centre for Nanoscience
  • Synchrotron Radiation Research

Publishing year

2020

Language

English

Publication/Series

Journal of Physics: Conference Series

Volume

1412

Document type

Conference paper

Publisher

IOP Publishing

Topic

  • Atom and Molecular Physics and Optics

Conference name

31st International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2019

Conference date

2019-07-23 - 2019-07-30

Conference place

Deauville, France

Status

Published

ISBN/ISSN/Other

  • ISSN: 1742-6588