Separation of variables in the Gaudin model
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- Sklyanin, E.K. J Math Sci (1989) 47: 2473. doi:10.1007/BF01840429
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We separate variables for the Gaudin model (degenerate case of an integrable quantum magnet SU(2) -chain) by means of an explicit change of coordinates. We get a description of the space of states in the language of ideals in polynomial rings. The structure of the eigenfunctions is studied.