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arXiv math-ph/9810019math-phmath.MPmath.QAquant-ph
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关于群SU(2)在非标准基上的Wigner-Racah代数

On the Wigner-Racah Algebra of the Group SU(2) in a Non-Standard Basis

M. R. Kibler

摘要:

代数su(2)是从两个交换quon代数导出的,其中参数q是单位根。这导致了群SU(2)的移位算子的极分解。SU(2)的Wigner-Racah代数是在一个新的基上发展起来的,这个基是由两个交换算子的对角化所产生的,即,SU(2)的Casimir算子和一个起源于SU(2)的移位算子的极分解的酉算子。

英文摘要:

The algebra su(2) is derived from two commuting quon algebras for which the parameter q is a root of unity. This leads to a polar decomposition of the shift operators of the group SU(2). The Wigner-Racah algebra of SU(2) is developed in a new basis arising from the simultanenous diagonalization of two commuting operators, viz., the Casimir of SU(2) and a unitary operator which takes its origin in the polar decomposition of the shift operators of SU(2).

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