Symmetric coupling of four spin-1/2 systems
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🪐 quant-ph
keywords
couplingfourspin-1symmetricsystemsaddressanalysisangular
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We address the non-binary coupling of identical angular momenta based upon the representation theory for the symmetric group. A correspondence is pointed out between the complete set of commuting operators and the reference-frame-free subsystems. We provide a detailed analysis of the coupling of three and four spin-1/2 systems and discuss a symmetric coupling of four spin-1/2 systems.
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