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A note on the calculation of some transformation coefficients
Author(s) -
Wen Zhenyi
Publication year - 1993
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.560480831
Subject(s) - transformation (genetics) , table (database) , sn2 reaction , series (stratigraphy) , product (mathematics) , mathematics , pure mathematics , algebra over a field , chemistry , computer science , geometry , stereochemistry , geology , data mining , paleontology , biochemistry , gene
This article gives an improved derivation for U ( n 1 + n 2 ) ⊃ U ( n 1 ) × U ( n 2 ), SN 1 + N 2 ⊃ SN 1 × SN 2 , and other transformation coefficients by using a series of elementary Racah transformations. These transformation coefficients can be expressed generally in terms of a product of segments containing 6 j symbols and easily calculated. Possible segment factors are given in Table I. © 1993 John Wiley & Sons, Inc.

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