The Bethe Ansatz

Gaudin magnets i.z.g.g

\[ H_{G} = \sum_{\alpha} \varepsilon S^z_{\alpha} - g \sum_{\alpha,\beta} S^+_{\alpha} S^-_{\beta}. \]




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Author: Jean-Sébastien Caux

Created: 2024-01-18 Thu 14:24