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Wave propagation and group velocity.
Wave Propagation and Group Velocity contains papers on group velocity which were published during the First World War and are missing in many libraries. It introduces three different definitions of velocities: the group velocity of Lord Rayleigh, the signal velocity of Sommerfeld, and the velocity o...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Academic Press,
1960.
|
| Colección: | Pure and applied physics ;
v. 8. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Wave Propagation and Group Velocity; Copyright Page; FOREWORD; PREFACE; Table of Contents; CHAPTER I. INTRODUCTION; 1. Phase Velocity and Group Velocity; 2. Examples and Discussion: Dispersive Media; 3. Groups and Signals; 4. Signal Velocity, First Attempts; 5. Actual Measurements of the Velocity of Light; 6. Havelock's Pamphlet; 7. General Remarks; CHAPTER II. ABOUT THE PROPAGATION OF LIGHT IN DISPERSIVE MEDIA; 1. Introduction and Results; 2. The Incident Signal; 3. General Solution of the Problem; 4. Discussion of tlie Obtained Solution.
- 1. Definitions: Role of a Dielectric Coefficient Depending on Density and Temperature2. Dependence of the Dielectric Coefficient on Frequency; Evaluation of the Electrical Energy; 3. Waves; Phase Velocity; Energy Density of a Plane Wave; 4. The Group Velocity U; 5. Velocity of Energy Transport U1; 6. Signal Velocity, S; 7. The Forerunners; 8. Summary of the Most Important Results; Generalization to Other Types of Waves; Literature; CHAPTER V. WAVE PROPAGATION IN A DISPERSIVE DIELECTRIC; 1. Formula of Lorentz-Lorenz; 2. Material Medium of Low Density, Consisting of Harmonic Oscillators.
- 3. Propagation of the Waves in the Medium4. The Velocities U, U1, and S in the Medium; 5. The Forerunners; 6. A Real Transparent Medium, Having Several Absorption Bands; 7. Quantized Atomic States, Kramers' Dispersion Formula; 8. The Relation Between the Problenn Treated and the Analogous Technical Problems; Literature; CHAPTER VI. WAVES IN WAVE GUIDES A N D OTHER EXAMPLES; 1. Guided Waves; 2. Acoustic Waves; 3. Rectangular Tube; 4. Physical Significance of Guided Waves; 5. Electromagnetic Guided Waves; 6. Some Other Typical Examples; AUTHOR INDEX; BOOKS PUBLISHED BY L . BRILLOUIN.