Excited States V3

Excited States V3

1st Edition - April 28, 1978

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  • Editor: Edward Lim
  • eBook ISBN: 9780323154147

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Excited States, Volume 3 deals with excited states and covers topics ranging from two-photon molecular spectroscopy in liquids and gases to time evolution of excited molecular states. Product energy distributions in the dissociation of polyatomic molecules are also discussed, along with the mechanism of optical nuclear polarization in molecular crystals and vibronic interactions and luminescence in aromatic molecules with non-bonding electrons. Comprised of five chapters, this volume begins with a didactic treatment of the theory of simultaneous two-photon absorption spectroscopy from the point of view concerned primarily with molecular gases and liquids. The basic theoretical quantity is shown to be an absorption tensor, as contrasted with the absorption vector of one-photon spectroscopy. The next chapter considers the time evolution of a molecular system interacting with a photon wave packet. The theory is applied to handle photon scattering from several physical models for molecular level structure in excited electronic states of polyatomic molecules. The remaining chapters explore various polyatomic decomposition processes and the basic features governing the internal energy distribution of the fragments; optical nuclear polarization in molecular crystals and vibronic interactions; and luminescence in aromatic molecules with non-bonding electrons. This book should be of interest to chemists and molecular physicists.

Table of Contents

  • List of Contributors

    Contents of Previous Volumes

    Two-Photon Molecular Spectroscopy in Liquids and Gases

    I. Introduction

    II. Phenomenology and Applications

    III. Reviews

    IV. Basic Physics of Two-Photon Absorption

    V. Liquids

    VI. Gases of Symmetric Rotor Molecules


    Time-Evolution of Excited Molecular States

    I. Prologue

    II. Quantum Mechanical Treatment of a Light Pulse

    III. General Theory of Photon Counting

    IV. The Two-Level System

    V. Doorway States and Photon Scattering from a General Molecular Level Scheme

    VI. General Expressions for Emission Quantum Yields

    VII. Comments on the Relation between Time-Resolved Observables and the Optimal Absorption Lineshape

    VIII. Photon Scattering from a Single Molecular Resonance and Effects of Collisional Perturbations

    IX. The Effective Hamiltonian and Independently Decaying Levels

    X. Time-Resolved Photon Scattering from Large Molecules

    XI. Photon Scattering from a Dissociative Continuum

    XII. Epilogue


    Product Energy Distributions in the Dissociation of Polyatomic Molecules

    I. Introduction

    II. Simple Models of Polyatomic Molecule Dissociation

    III. Franck-Condon Transition Amplitude for Molecular Dissociation

    IV. Final State Interactions

    V. Numerical Calculations and Comparison with Experiments

    VI. Generalized Simple Golden Rule Model Derived from Full Quantum Theory

    VII. Bending and Rotational Degrees of Freedom

    VIII. Applications to Chemical Reactions


    The Mechanism of Optical Nuclear Polarization in Molecular Crystals

    I. Introduction and Definition of Nuclear Polarization

    II. Nuclear Spin Polarization Methods

    III. Some Physics of Excited Molecular States

    IV. Optical Electron Polarization

    V. Optical Nuclear Polarization

    VI. Optical Nuclear Polarization: Theory

    VII. Experimental and Numerical ONP in Phenazine

    VIII. Optical Nuclear Polarization by Level Anti-Crossing

    IX. Level Anti-Crossing in Doped Fluorene Crystals

    X. General Discussion


    Vibronic Interactions and Luminescence in Aromatic Molecules with Nonbonding Electrons

    I. Introduction

    II. Vibronic Interactions in the Weak Coupling Limit and Radiative Transitions

    III. Vibronic Interactions in the Strong Coupling Limit and Radiative Transitions

    IV. Radiationless Transitions

    V. Conclusions


    Author Index

    Subject Index

Product details

  • No. of pages: 362
  • Language: English
  • Copyright: © Academic Press 1978
  • Published: April 28, 1978
  • Imprint: Academic Press
  • eBook ISBN: 9780323154147

About the Editor

Edward Lim

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