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Date: 14-5-2018
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Date: 16-4-2019
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The Racah -coefficients are written
(1) |
and are sometimes expressed using the related Clebsch-Gordan coefficients
(2) |
or Wigner 3j-symbols. Connections among the three are
(3) |
(4) |
(5) |
REFERENCES:
Biedenharn, L. C. and Louck, J. D. The Racah-Wigner Algebra in Quantum Theory. Reading, MA: Addison-Wesley, 1981.
Biedenharn, L. C. and Louck, J. D. Angular Momentum in Quantum Physics: Theory and Applications. Reading, MA: Addison-Wesley, 1981.
Sobel'man, I. I. "Angular Momenta." Ch. 4 in Atomic Spectra and Radiative Transitions, 2nd ed. Berlin: Springer-Verlag, 1992.
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