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arXiv · 1910.07797

On zero-remainder conditions in the Bethe ansatz

Etienne Granet·Jesper Lykke Jacobsen
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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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Etienne Granet, Jesper Lykke Jacobsen. 2020-03-13. On zero-remainder conditions in the Bethe ansatz. https://doi.org/10.1007/jhep03(2020)178

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