Cover; Advances in Quantum Chemistry; Copyright; Contents; Preface; Contributors; 1. Unstable States: From Quantum Mechanics to Statistical Physics; 1. Introduction; 2. Quantum Resonances; 3. Collisions; 4. Statistical Physics; 5. Concluding Remarks; Acknowledgment; Appendices; References; 2. Unstable States in Laser Assisted and Controlled Molecular Processes; 1. Introduction; 2. General Theory of Laser-Molecule Interactions; 3. Numerical Methodologies; 4. Processes and Mechanisms for Molecular Fragmentations in IR and UV-VisFrequency Regimes

5. XUV+IR Pump-Probe Spectroscopy of Molecular Dissociative Ionization6. ZWRs and EPs in Molecular Photodissociation; 7. Conclusion; Acknowledgments; References; 3. Coherence Effects in Laser-Induced Continuum Structure; 1. Introduction; 2. A Brief Historical Survey of LICS; 3. EIT and its Connection with LICS; 4. QC and LICS; 5. The Connection between LICS, CC, and AP; 6. Summary; Acknowledgments; References; 4. Theory and State-Specific Methods for the Analysisand Computation of Field-Free and Field-Induced Unstable States in Atoms and Molecules

1. Beyond Pure Formalism: The Importance of Solving Efficaciously the Many-Electron Problem (MEP) for Unstable (or Nonstationary, or Resonance) States in the Field-Free and Field-Induced Spectra of Many-Electron Atoms and Molecules2. Principal Characteristics of the Dominant Theoretical Approaches to the Computation of Unstable States in Atoms and Molecules Up to About the End of the 1960s-Early 1970s; 3. Field-Free Hamiltonian: The Form of Wave functions for Resonance States in the Context of Time- and of Energy-Dependent Theories and its Use for Phenomenology and Computation

4. Aspects of the Nature and of the Preparation of 0 and of Its Connectionto the Resonance Eigenfunction5. The Form of the Resonance Eigenfunction and the Complex Eigenvalue Schrödinger Equation; 6. Computation via the CESE SSA. Many-Body Expansion and Partial Widths with Interchannel Coupling; 7. Two Examples of Results from the Application of the CESE Approach; 8. The State-Specific Calculation of ?0; 9. Understanding the Electronic Structures of Resonances and Their Effectson Spectra in the Framework of the SSA

10. The Use of f0s and of Scattering Wavefunctions in the SSEA for the Solution of the TDSE11. Field-Induced Quantities Obtained as Properties of Resonance Statesin the Framework of the CESE-SSA; 12. Conclusion and Synopsis; References; 5. Quantum Theory of Reactive Scattering in Phase Space; 1. Introduction; 2. Phase Space Structures Underlying Reaction Dynamics; 3. Quantum Normal Form Representation of the Activated Complex; 4. The Cumulative Reaction Probability; 5. Gamov-Siegert Resonances; 6. Further Challenges; 7. Conclusions; Appendix; Acknowledgments; References