Wigner3j symbol

Versione 1.1.0.0 (2,01 KB) da Kobi
Wigner3j( J123, M123) calculates the Wigner 3j symbol.
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Wigner3j( J123, M123) calculates the Wigner 3j-symbol according to Racah formula.
The Wigner 3j symbol is useful for multiplication of Spherical Harmonics (and their generalizations) and for addition of angular momentum.
The are related to the Clebsch-Gordan coefficients by:
Wigner3j( J123, M123 ) = <J1,J2,M1,M2| J1,J2,J3,-M3> * (-1)^(J1-J2-M3) * (2*J3+1)^(-1/2).
This function is not limited to the factorial limitation (170), so it can be useful for any value of J.

Cita come

Kobi (2024). Wigner3j symbol (https://www.mathworks.com/matlabcentral/fileexchange/20619-wigner3j-symbol), MATLAB Central File Exchange. Recuperato .

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Versione Pubblicato Note della release
1.1.0.0

(1) Zero value replaces the error massages for the selection rules: m1+m2+m3~=0, j3 > |j1-j2|, j3 > j1+j2, |mi| > ji.
Thanks to Barratt Park and Brice DUBOST.

(2) Warning massages are identified.
1.0.0.0