Excitations and theS-matrix for ansu(3)spin chain combining and representations

DOI10.1088/0305-4470/31/10/005zbMATH Open0939.82008arXivcond-mat/9801129OpenAlexW3103267448MaRDI QIDQ4235172

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Publication date: 11 July 2000

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Abstract: The associated Hamiltonian for a su(3) spin chain combining $3$ and $3^{*}$ representations is calculated. The ansatz equations for this chain are obtained and solved in the thermodynamic limit, and the ground state and excitations are described. Thus, relations between the number of roots and the number of holes in each level have been found . The excited states are characterized by means of these quantum numbers. Finally, the exact S matrix for a state with two holes is found.

Full work available at URL: https://arxiv.org/abs/cond-mat/9801129

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