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Opis

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.

Szczegóły książki

Kategoria Książki po angielsku Mathematics & science Physics Quantum physics (quantum mechanics & quantum field theory)

• Pełny tytuł: Hyperspherical Harmonics and Generalized Sturmians
• Autor: John S. Avery
• Język: Angielski
• Oprawa: Twarda
• Liczba stron: 196
• EAN: 9780792360872
• ISBN: 0792360877
• ID: 01396258
• Wydawca: Springer
• Waga: 1050 g
• Wymiary: 235 × 155 × 16 mm
• Data wydania: 30. November 1999

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