A Note on Inverse-Square Exchange Models.

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  • Göhmann Frank
    Department of Physics, Faculty of Science, University of Tokyo, Hongo 7–3–1, Bunkyo–ku, Tokyo 113
  • Wadati Miki
    Department of Physics, Faculty of Science, University of Tokyo, Hongo 7–3–1, Bunkyo–ku, Tokyo 113

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  • Note on Inverse Square Exchange Models

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The su(1|1) symmetric version of the Haldane-Shastry spin chain is diagonalized by means of a linear transformation. The same transformation applied to the original su(2) model yields simple expressions for the Hamiltonian and the generators of the Yangian symmetry of the model in terms of spin wave operators.

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