Titlebook: Hyperspherical Harmonics Expansion Techniques; Application to Probl Tapan Kumar Das Book 2016 Springer Nature India Private Limited 2016 Bo

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Integro-Differential Equation,E is derived from PH expansion method. Hence, IDE and PHEM are equivalent. Still IDE has certain advantages: its structure and complexity do not increase with the number of particles. Also, since there is no sum over ., there is no problem of convergence. However, calculation of the kernel function

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Computational Techniques, conditions at the origin and at infinity. Next solution of a system of coupled differential eigenvalue equations (CDEE) is discussed. First an exact numerical algorithm, viz., renormalized Numerov (RN) method is presented. Next approximation methods are discussed. Introduction of a hypercentral ave

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难理解

Tapan Kumar DasPresents an ab initio quantum mechanical treatment of few-body systems like light nuclei, few-electron atoms, small molecules and clusters.Useful reference material for research workers starting from

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Theoretical and Mathematical Physicshttp://image.papertrans.cn/h/image/430695.jpg

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https://doi.org/10.1007/978-81-322-2361-0Bose-Einstein Condensates; Few-body Problems; Hyperspherical Harmonics; Trinucleon System; Trinucleon Sy

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Systems of One or More Particles,r identical particles is discussed. In this connection, spin and isospin and wave functions involving them are introduced. Next many-body wave equation is written down and the need for approximations and models stressed. Mean-field approximation and independent particle model are introduced.