Abstract
We prove that physical solutions to the Heisenberg spin chain Bethe ansatz equations are exactly obtained by imposing two zero-remainder conditions. This bridges the gap between different criteria, yielding an alternative proof of a recently devised algorithm based on QQ relations, and solving its minimality issue.
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ArXiv ePrint: 1910.07797
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Granet, E., Jacobsen, J.L. On zero-remainder conditions in the Bethe ansatz. J. High Energ. Phys. 2020, 178 (2020). https://doi.org/10.1007/JHEP03(2020)178
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DOI: https://doi.org/10.1007/JHEP03(2020)178