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The Hanle Effect and Level-Crossing Spectroscopy

I am most pleased and, in a way, I feel honored to write the Foreword for the book The Hanle Effect and Level-Crossing Spectroscopy, which covers such a very wide range of applications not only in the initial areas of atomic and molecular physics, but also in solid state physics, solar physics, lase...

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Bibliographic Details
Other Authors: Moruzzi, Giovanni (Editor), Strumia, Franco (Editor)
Format: eBook
Language:English
Published: New York, NY Springer US 1991, 1991
Edition:1st ed. 1991
Series:Physics of Atoms and Molecules
Subjects:
Atoms
Atomic, Molecular And Chemical Physics
Molecules
Online Access:
Collection: Springer Book Archives -2004 - Collection details see MPG.ReNa
Table of Contents:
  • 1 The Hanle Effect and Level-Crossing Spectroscopy—An Introduction
  • 1. Historical Survey
  • 2. Classical Interpretation of the Hanle Effect
  • 3. Quantum Mechanical Interpretation of the Hanle Effect
  • 4. The Density Matrix Formalism for the Hanle Effect (Broad-Band Excitation)
  • 5. Laser Excitation and Pressure-Induced Coherences
  • 6. Nonzero-Field Level Crossing
  • 7. Conclusions
  • References
  • Appendix. Magnetic Effects on the Polarization of Resonance Fluorescence (original work by Wilhelm Hanle, translated by G. Moruzzi)
  • 2 The Hanle Effect and Atomic Physics
  • 1. Introduction
  • 2. Spectroscopic Applications
  • 3. Collisions
  • 4. Hanle Effect in Strong Laser Fields
  • References
  • 3 The Hanle Effect and Level-Crossing Spectroscopy on Molecules
  • 1. Introduction
  • 2. Molecular Level-Crossing Signal
  • 3. Comparison with Quantum Beat Experiments
  • 4. Excitation of Molecules
  • 5. Lifetime Investigations
  • 6. Landé g-Factors
  • 7. Electric-Field Level Crossing
  • 8. Stark-Zeeman Recrossing and High-Field Level Crossing
  • 9. Hanle Effect on NO2
  • 10. Conclusion
  • References
  • 4 The Nonlinear Hanle Effect and Its Applications to Laser Physics
  • 1. The Nonlinear Hanle Effect and Its Experimental Observation
  • 2. Saturation Intensity and Saturated Linewidth
  • 3. The Three-Level Case: Homogeneously Broadened Lines
  • 4. The Three-Level Case: Doppler-Broadened Lines and the Rate Equations
  • 5. The General Case
  • 6. The Rate-Equation Approach to the Nonlinear Hanle Effect in Inhomogeneously Broadened Transitions
  • 7. The Nonlinear Hanle Effect with a Gaussian Laser Beam
  • 8. The Nonlinear Hanle Effect in Absorption
  • 9. The Nonlinear Hanle Effect in Laser-Active Media
  • References
  • 5 Applications of the Hanle Effect in Solar Physics
  • 1. Introduction
  • 2. Brief Review of theProperties of Solar Magnetic Fields
  • 3. Overview of the Diagnostic Possibilities and Limitations of the Hanle Effect
  • 4. Basic Theoretical Concepts for Applications in Astrophysics
  • 5. Diagnostics of Magnetic Fields in Solar Prominences
  • 6. Survey of Scattering Polarization on the Solar Disk
  • 7. Diagnostics of Turbulent Magnetic Fields
  • 8. Diagnostics of Magnetic Fields in the Chromosphere-Corona Transition Region and Above
  • 9. Concluding Remarks
  • References
  • 6 Applications of the Hanle Effect in Solid State Physics
  • 1. Introduction
  • 2. The Hanle Effect on Free Electrons
  • 3. The Hanle Effect on Excitons
  • 4. The Hanle Effect on Impurity Centers
  • 5. Summary
  • References
  • 7 Quantum Theory of the Hanle Laser and Its Use as a Metric Gravity Probe
  • 1. Introduction
  • 2. The Model
  • 3. Linear Theory
  • 4. Nonlinear Theory
  • 5. Vanishing of Diffusion Constant for the Relative Phase
  • 6. Applications as a Metric Gravity Probe
  • 7. Discussion and Summary
  • References

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