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The antisymmetrized product of weak nonorthogonal geminals
Author(s) -
Lyast I. Ts.
Publication year - 1978
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560130107
Subject(s) - product (mathematics) , chemistry , physics , statistical physics , mathematics , geometry
Most commonly the nonorthogonality of geminals is weakly expressed so that the exchange and overlap integrals ζ (η) , φ (η) are negligible for large exchange parameters η. The conditions which allow the terms with large η to be discarded are considered. The integrals ζ (η) , φ (η) are derived for η = 2, 3, 4.
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