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Updated: Jun 22, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
06:53

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Published on: July 27, 2018

Strong field double ionization: the phase space perspective.

F Mauger1, C Chandre, T Uzer

  • 1Ecole Centrale de Marseille, Technopôle de Château-Gombert, 38 rue Frédéric Joliot Curie F-13451 Marseille Cedex 20, France.

Physical Review Letters
|June 13, 2009
PubMed
Summary
This summary is machine-generated.

We identified phase-space structures controlling atomic double ionization in strong laser fields. This clarifies electron roles in nonsequential double ionization, predicting key features of the process.

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Related Experiment Videos

Last Updated: Jun 22, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
06:53

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Published on: July 27, 2018

Spatial Separation of Molecular Conformers and Clusters
10:37

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Published on: January 9, 2014

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
08:22

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

Area of Science:

  • Atomic Physics
  • Quantum Mechanics
  • Laser Physics

Background:

  • Atomic double ionization is a fundamental process in strong-field physics.
  • The recollision scenario is a dominant model for understanding this process.
  • Nonsequential double ionization (NSDI) exhibits characteristic features, such as the "knee" structure.

Purpose of the Study:

  • To identify the phase-space structures governing atomic double ionization.
  • To elucidate the distinct roles of recolliding and core electrons in NSDI.
  • To provide verifiable predictions for experimental observation.

Main Methods:

  • Analysis of phase-space structures in strong-field atomic ionization.
  • Theoretical modeling of electron dynamics under ultrashort laser pulses.
  • Complementary dynamical picture to the standard recollision scenario.

Main Results:

  • Phase-space structures regulating atomic double ionization were identified.
  • A dynamical picture clarifying electron roles in NSDI emerged.
  • Verifiable predictions for the "knee" structure in NSDI were made.

Conclusions:

  • The identified phase-space structures offer a new perspective on NSDI.
  • Understanding electron roles refines the recollision scenario.
  • The findings facilitate experimental verification of NSDI mechanisms.