Ricardo Weder

Spectral and Scattering Theory for Wave Propagation in Perturbed Stratified Media (eBook, PDF)

• Format: PDF

Produktbeschreibung

The propagation of acoustic and electromagnetic waves in stratified media is a subject that has profound implications in many areas of applied physics and in engineering, just to mention a few, in ocean acoustics, integrated optics, and wave guides. See for example Tolstoy and Clay 1966, Marcuse 1974, and Brekhovskikh 1980. As is well known, stratified media, that is to say media whose physical properties depend on a single coordinate, can produce guided waves that propagate in directions orthogonal to that of stratification, in addition to the free waves that propagate as in homogeneous media. When the stratified media are perturbed, that is to say when locally the physical properties of the media depend upon all of the coordinates, the free and guided waves are no longer solutions to the appropriate wave equations, and this leads to a rich pattern of wave propagation that involves the scattering of the free and guided waves among each other, and with the perturbation. These phenomena have many implications in applied physics and engineering, such as in the transmission and reflexion of guided waves by the perturbation, interference between guided waves, and energy losses in open wave guides due to radiation. The subject matter of this monograph is the study of these phenomena.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 190
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461244301
• Artikelnr.: 43987422

Inhaltsangabe

1. Introduction.- 2. Propagation of Acoustic Waves.-
1. The Unperturbed Acoustic Propagator.-
2. The Limiting Absorption Principle for the Unperturbed Acoustic Propagator.-
3. The Perturbed Acoustic Propagator.-
4. The Essential Spectrum of the Perturbed Acoustic Propagator.-
5. Absence of Positive Eigenvalues.-
6. The Limiting Absorption Principle for the Perturbed Acoustic Propagator.-
7. The Generalized Fourier Maps and Acoustic Scattering Theory.- 3. Propagation of Electromagnetic Waves ..-
1. The Unperturbed Electromagnetic Propagator.-
2. The Limiting Absorption Principle for the Unperturbed Electromagnetic Propagator.-
3. The Limiting Absorption Principle for the Perturbed Electromagnetic Propagator.-
4. The Generalized Fourier Maps and Electromagnetic Scattering Theory.- Appendix 1.- Appendix 2.- Notes.- References.