Hyperspherical Harmonics and Generalized Sturmians

Name: Hyperspherical Harmonics and Generalized Sturmians
Brand: Springer-Verlag New York Inc.
SKU: 9781402004094
Price: 276.42 RON
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Autor: John S. Avery

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Editura: Springer-Verlag New York Inc.

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This book explores the connections between the theory of hyperspherical harmonics, momentum-space qu...

Informații despre carte

Autor

John S. Avery

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2002

Pagini

196

EAN

9781402004094

ISBN

1402004095

Enbook ID

01414670

Editura

Springer-Verlag New York Inc.

Greutate

660

Dimensiuni

155 x 235 x 11

Descriere completă

This book explores the connections between the theory of hyperspherical harmonics, momentum-space quantum theory, and generalized Sturmian basis functions; and it introduces methods which may be used to solve many-particle problems directly, without the use of the self-consistent-field approximation. The method of many-electron Sturmians offers an interesting and fresh alternative to the usual SCF-CI methods for calculating atomic and molecular structure. When many-electron Sturmians are used, and when the basis potential is chosen to be the attractive potential of the nuclei in the system, the following advantages are offered: the matrix representation of the nuclear attraction potential is diagonal; the kinetic energy term vanishes from the secular equation; the Slater exponents of the atomic orbitals are automatically optimized; convergence is rapid; a correlated solution to the many-electron problem can be obtained directly, without the use of the SCF approximation; and excited states can be obtained with good accuracy.

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