Atoms in Strong Light Fields

1.1 The Strong Light Field.- 1.2 The Atom.- 1.3 Interaction of an Atom and a Light Field.- 2. Time-Dependent Perturbation Theory.- 2.1 First-Order Perturbation Theory.- 2.2 Second-Order Perturbation Theory.- 2.3 The Diagrammatic Technique for Monochromatic Perturbations...- 2.4 Perturbation Theory of Arbitrary Order.- 2.5 Monochromatic Perturbation and Degenerate States.- 2.6 The Green's Function in Time-Dependent Perturbation Theory.- 3. The Resonance Approximation.- 3.1 A Two-Level System in a Resonance Field.- 3.2 Multi-Photon Resonance.- 3.3 Degeneracy in a Resonance Field.- 3.4 A Two-Level System in a Circularly Polarized Electromagnetic Field.- 3.5 A Two-Level System in a Resonance Field: Time-Dependent Parameters.- 3.6 A Three-Level System in Two Fields.- 4. The Adiabatic Approximation.- 4.1 General Theory.- 4.2 Bound-Bound Resonance Transitions.- 4.3 A Two-Level System in a Strong Field of Arbitrary Frequency.- 4.4 Transitions Between Degenerate States.- 4.5 Bound-Free Transitions.- 5. Laser Radiation.- 5.1 Intensity of Radiation.- 5.2 Frequency of the Radiation.- 5.3 The Polarization of the Radiation.- 5.4 The Monochromaticity of Laser Radiation.- 6. Experimental Aspects.- 6.1 Atomic Target.- 6.2 Competing Processes.- 6.3 The Self-Induced Distortion of Intense Light in Atomic Targets.- 6.4 Experimental Methods for Studying the Phenomena Produced by Strong Electromagnetic Fields Interacting with Atoms.- 6.5 The Measurement of the Main Parameters that Characterize the Interaction Between Intense Electromagnetic Radiation and an Atom.- 7. Nonresonant Phenomena.- 7.1 Nonlinear Atomic Susceptibilities.- 7.2 Perturbation of Isolated Atomic States.- 7.2.1 Dynamic Polarizability of an Isolated Nondegenerate Atomic State.- 7.2.2 Dynamic Hyper-Polarizability.- 7.2.3Criteria for Applying Perturbation Theory.- 7.2.4 The Dynamic Polarizability as a Function of the Perturbing Field.- 7.2.5 Experimental Data.- 7.3 Perturbation of Degenerate States.- 7.4 Nonlinear Scattering of Light.- 7.5 Nonresonant, Nonlinear Ionization.- 7.6 Ionization in a Short-Range Potential.- 7.7 The Ionization of Atoms.- 8. Resonance Phenomena.- 8.1 Spontaneous Emission of Light by an Atom in a Resonance Field.- 8.2 Resonance Fluorescence.- 8.3 Multi-Photon Excitation and Emission.- 8.4 Spontaneous Raman Scattering.- 8.5 A Three-Level System in Two Resonance Fields.- 8.6 Resonance Ionization of Atoms.- 9. Conclusion.- 9.1 The Role of the Non-monochromaticity of Laser Radiation.- 9.2 Many-Electron Approximation.- 9.3 Ultrahigh Fields.- 9.4 Highly Excited Atomic States in a Strong Electromagnetic Field.- Notation Index.- References.