Hyperspherical Harmonics Expansion Techniques: Application to Problems in Physics by Tapan Kumar DasHyperspherical Harmonics Expansion Techniques: Application to Problems in Physics by Tapan Kumar Das

Hyperspherical Harmonics Expansion Techniques: Application to Problems in Physics

byTapan Kumar Das

Hardcover | December 3, 2015

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The book provides a generalized theoretical technique for solving the fewbody Schrödinger equation. Straight forward approaches to solve it in terms of position vectors of constituent particles and using standard mathematical techniques become too cumbersome and inconvenient when the system contains more than two particles. The introduction of Jacobi vectors, hyperspherical variables and hyperspherical harmonics as an expansion basis is an elegant way to tackle systematically the problem of an increasing number of interacting particles. Analytic expressions for hyperspherical harmonics, appropriate symmetrisation of the wave function under exchange of identical particles and calculation of matrix elements of the interaction have been presented. Applications of this technique to various problems of physics have been discussed. In spite of straight forward generalization of the mathematical tools for increasing number of particles, the method becomes computationally difficult for more than a few particles. Hence various approximation methods have also been discussed. Chapters on the potential harmonics and its application to Bose-Einstein condensates (BEC) have been included to tackle dilute system of a large number of particles. A chapter on special numerical algorithms has also been provided. This monograph is a reference material for theoretical research in the few-body problems for research workers starting from advanced graduate level students to senior scientists.
Dr. Tapan Kumar Das completed M.Sc. from Calcutta University and PhD from the University of Pennsylvania (USA) in Theoretical Nuclear Physics under Prof. Abraham Klein and Prof. R.M. Dreizler in 1971. That work involved theoretical foundation of variable moment of inertia models in nuclear theory. He did his Post-doctoral research in n...
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Title:Hyperspherical Harmonics Expansion Techniques: Application to Problems in PhysicsFormat:HardcoverDimensions:159 pagesPublished:December 3, 2015Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:8132223608

ISBN - 13:9788132223603

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Table of Contents

Introduction.- Systems of One or More Particles.- Three-body System.- General Many-body Systems.- The Trinucleon System.- Application to Coulomb Systems.- Potential Harmonics.- Application to Bose-Einstein Condensates.- Integro-differential Equation.- Computational Techniques.