Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-12-09
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, Tex File
Scientific paper
A set of compatible formulas for the Clebsch-Gordan coefficients of the quantum algebra $U_{q}({\rm su}_2)$ is given in this paper. These formulas are $q$-deformations of known formulas, as for instance: Wigner, van der Waerden, and Racah formulas. They serve as starting points for deriving various realizations of the unit tensor of $U_{q}({\rm su}_2)$ in terms of $q$-boson operators. The passage from the one-parameter quantum algebra $U_{q }({\rm su}_2)$ to the two-parameter quantum algebra $U_{qp}({\rm u}_2)$ is discussed at the level of Clebsch-Gordan coefficients.
Asherova R. M.
Kibler Maurice R.
Smirnov Yu. F.
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