Nanny Froman, Per Olof Froman

Physical Problems Solved by the Phase-Integral Method

• Broschiertes Buch

Produktbeschreibung

This book covers one of the most efficient approximation methods for the theoretical analysis and solution of problems in theoretical physics and applied mathematics. The method can be applied to any field involving second order ordinary differential equations. It is written with practical needs in mind, with 50 solved problems covering a broad range of subjects and making clear which concepts and results of the general theory are needed in each case.

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Produktdetails

• Verlag: Cambridge University Press
• Seitenzahl: 232
• Erscheinungstermin: 13. Mai 2005
• Englisch
• Abmessung: 244mm x 170mm x 13mm
• Gewicht: 409g
• ISBN-13: 9780521675765
• ISBN-10: 0521675766
• Artikelnr.: 22183101

Inhaltsangabe

Part I. Historical Survey: 1. History of an approximation method of wide importance in various branches of physics
Part II. Description of the Phase-Integral Method: 2. Form of the wave function and the q-equation
3. Phase-integral approximation generated from an unspecified base function
4. F-matrix method
5. F-matrix connecting points on opposite sides of a well isolated turning point, and expressions for the wave function in these regions
6. Phase-integral connection formulas for a real, smooth, single-hump potential barrier
Part III. Problems With Solutions: 1. Determination of a convenient base function
2. Determination of a phase-integral function satisfying the Schrödinger equation exactly
3. Properties of the phase-integral approximation along certain paths
4. Stokes constants and connection formulas
5. Airy's differential equation
6. Change of phase of the wave function in a classically allowed region due to the change of a boundary condition imposed in an adjacent classically forbidden region
7. Phase shift
8. Nearlying energy levels
9. Quantization conditions
10. Determination of the potential from the energy spectrum
11. Formulas for the normalization integral, not involving the wave function
12. Potential with a strong attractive Coulomb singularity at the origin
13. Formulas for expectation values and matrix elements, not involving the wave function
14. Potential barriers
References.