Super-Intense Laser-Atom Physics -

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Résumé :
Proceedings of a NATO ARW held in Han-sur-Lesse, Belgium, January 8-14, 1993

Sommaire:
Silap III: an Overview.- I: Generation of High Harmonics.- Recent Results in High-Order Harmonic Generation.- Angular Distributions of High-Order Harmonics.- Angularly Resolved Ultra High Harmonic Generation Experiments with Picosecond Laser Pulses.- High-Order Sum and Difference-Frequency Generation in Helium.- Contribution of Bound-Bound Transitions to High-Order Harmonic Generation.- Symmetry Breaking and the Control of Harmonics with Strong Short Laser Pulses.- Propagation of Intense Ultrashort Pulses and Harmonics in Gases.- Multiple Harmonic Radiation From Metal Surfaces Induced by Strong Laser Pulses.- II: Dynamics of Multiphoton Ionization of Atoms.- Dynamics of Short-Pulse Excitation, Ionization and Harmonic Conversion.- Atoms in Super-Intense Fields: Stabilization, Ionization and High-Harmonic Emission.- Multiphoton Ionization of Atomic Hydrogen in Intense Laser Pulses: The Role of Rydberg States.- Structure in the Above Threshold Ionization (ATI) Spectrum under Strong Femtosecond Pulses.- Ionization in Strong Fields.- Stabilization of Excited States and Harmonic Generation: Recent Theoretical Results in the Sturmian-Floquet Approach.- The Use of the Time Correlation Function in Floquet Theory.- Some Recent Developments in Multiphoton Ionization of Atoms in Intense Fields.- Atomic State Effects in Stabilization.- Stabilization Within a Classical Context.- Dynamical Stabilization of Atoms at Current Laser Performances.- Strong-Field Interference Stabilization in Atoms and Molecules.- Stability of Hydrogen Atom in Rydberg States in a Laser Field.- Stepwise Decay in the Photoionization of Rydberg Atoms.- Population Trapping in Excited States.- Atomic Physics with Intense, Subpicosecond Half-Cycle Pulses.- R-Matrix-Floquet Theory of Multiphoton Processes.- Ionization of Hydrogen Atoms by Circularly Polarized E-M Field.- III: Dynamics of Photoionization and Photodissociation of Molecules.- Ionization of H2+ in Intense Laser Fields.- Dynamics of Dissociation Versus Ionization in Strong Laser Fields.- Molecules in Strong Laser Fields: Why are the Fragments Aligned ?.- Stabilization and Coherence in the Photodissociation of Diatomic Molecules by Intense Lasers.- IV: Interaction of a Two-Electron System with a Strong Field.- Single and Double Photoionization of Two-Electron Systems.- Sequential vs. Simultaneous Ionization of Two-Electron Atoms by Intense Laser Radiation.- Two-Electron Atoms in Ultra Short, Intense Pulses.- Quasiclassical Approach to Ionization of Atoms by Strong Laser Pulses: Comparison with the Simpleman's Models and Newtonian Dynamics.- Stabilization of Multielectron Atoms: Classical Approach.- Multiphoton Detachment of Hydrogen Negative Ion.- Strong Field Predictions for Negative Ions in Short Laser Pulses.- H- in Intense Laser Fields: Laser-Induced Exited States and Dichotomy.- Electron-Energy Resolved Experiments on Multiphoton Detachment from Negative Ions.- Observation of Resonant Excess Photon Detachment Via a Window Resonance in the Negative Cesium Ion.- Author Index.