NJGRAF - An efficient program for calculation of general recoupling coefficients by graphical analysis, compatible with NJSYM

A. Bar-Shalom; M. Klapisch

doi:10.1016/0010-4655(88)90192-0

NJGRAF - An efficient program for calculation of general recoupling coefficients by graphical analysis, compatible with NJSYM

A. Bar-Shalom^*
, M. Klapisch

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

109 Scopus citations

Abstract

NJGRAF calculates angular momentum recoupling coefficients by graphical methods. The results are sums of products of 6j coefficients. These can be evaluated several times with different values of the arguments. The number and the range of summation variables are minimal. It is intended to replace NJSYM, with a gain of computer time of up to two orders of magnitude.

Original language	English
Pages (from-to)	375-393
Number of pages	19
Journal	Computer Physics Communications
Volume	50
Issue number	3
DOIs	https://doi.org/10.1016/0010-4655(88)90192-0
State	Published - Aug 1988

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title = "NJGRAF - An efficient program for calculation of general recoupling coefficients by graphical analysis, compatible with NJSYM",

abstract = "NJGRAF calculates angular momentum recoupling coefficients by graphical methods. The results are sums of products of 6j coefficients. These can be evaluated several times with different values of the arguments. The number and the range of summation variables are minimal. It is intended to replace NJSYM, with a gain of computer time of up to two orders of magnitude.",

author = "A. Bar-Shalom and M. Klapisch",

year = "1988",

month = aug,

doi = "10.1016/0010-4655(88)90192-0",

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journal = "Computer Physics Communications",

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T1 - NJGRAF - An efficient program for calculation of general recoupling coefficients by graphical analysis, compatible with NJSYM

AU - Bar-Shalom, A.

AU - Klapisch, M.

PY - 1988/8

Y1 - 1988/8

N2 - NJGRAF calculates angular momentum recoupling coefficients by graphical methods. The results are sums of products of 6j coefficients. These can be evaluated several times with different values of the arguments. The number and the range of summation variables are minimal. It is intended to replace NJSYM, with a gain of computer time of up to two orders of magnitude.

AB - NJGRAF calculates angular momentum recoupling coefficients by graphical methods. The results are sums of products of 6j coefficients. These can be evaluated several times with different values of the arguments. The number and the range of summation variables are minimal. It is intended to replace NJSYM, with a gain of computer time of up to two orders of magnitude.

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EP - 393

JO - Computer Physics Communications

JF - Computer Physics Communications

IS - 3

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NJGRAF - An efficient program for calculation of general recoupling coefficients by graphical analysis, compatible with NJSYM

Abstract

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