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The quantum group SU q (2), quasitriangularity, and application to theq-rotator model

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Abstract

The quantum group structure of SU q (2) is described. The property of quasi triangularity and the Yang-Baxter equation are reviewed. A universalR-matrix for this algebra is written down. It is then shown in detail that this R-matrix satisfies the triangularity equations of Drinfeld and the Yang-Baxter equation given the algebraic SU q (2) commutation relations. In physical terms, the group can be realized as theq-rotator. A specific physical application to diatomic molecules is presented.

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Bracken, P. The quantum group SU q (2), quasitriangularity, and application to theq-rotator model. J Math Chem 19, 217–230 (1996). https://doi.org/10.1007/BF01166715

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