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Representation Theory and Wigner-Racah Algebra of the SU(2) Group in a Noncanonical Basis
The Lie algebra su(2) of the classical group SU(2) is built from two commuting quon algebras for which the deformation parameter is a common root of unity. This construction leads to (i) a not very well-known polar decomposition of the generators J - and J + of the SU(2) group, …