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Published on: May 27, 2020
High-order harmonic generation spectroscopy of correlation-driven electron hole dynamics.
Jonathan Leeuwenburgh1, Bridgette Cooper, Vitali Averbukh
1Blackett Laboratory, Imperial College London, London SW7 2AZ, United Kingdom.
Physical Review Letters
|October 8, 2013
Summary
High-order harmonic generation spectroscopy tracks electron hole dynamics in attoseconds. This method reveals complex electron behavior in atomic and molecular systems, including those without secondary electron emission.
Area of Science:
- Quantum dynamics
- Attosecond science
- Spectroscopy
Background:
- Electron hole dynamics are crucial in atomic and molecular processes.
- Understanding these dynamics requires high time resolution.
- Existing methods may not capture all electron hole behaviors.
Purpose of the Study:
- To demonstrate high-order harmonic generation spectroscopy for attosecond electron hole dynamics.
- To apply the technique to Auger transitions and non-emissive electron hole migration.
- To theoretically validate the method on specific systems.
Main Methods:
- Utilizing high-order harmonic generation (HHG) spectroscopy.
- Achieving attosecond time resolution.
- Theoretical simulation of HHG spectroscopy.
Main Results:
- HHG spectroscopy successfully tracks correlation-driven electron hole dynamics.
- The technique resolves dynamics in M(4,5)NN Auger decay in Krypton.
- Inner-valence hole dynamics in trans-butadiene and propanal were simulated.
Conclusions:
- High-order harmonic generation spectroscopy is a powerful tool for ultrafast electron dynamics.
- The method offers insights into both emissive and non-emissive electron hole processes.
- This technique advances the study of quantum dynamics in atoms and molecules.
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