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Classifying nearest-neighbour interactions and deformations of AdS

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arxiv 2003.04332 v2 pith:CSZFT6TN submitted 2020-03-09 hep-th cond-mat.stat-mechmath-phmath.MPnlin.SI

classification hep-thcond-mat.stat-mechmath-phmath.MPnlin.SI
keywords solutionseight-vertexintegrableclassifydeformationsequationfindform
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We classify all regular solutions of the Yang-Baxter equation of eight-vertex type. Regular solutions correspond to spin chains with nearest-neighbour interactions. We find a total of four independent solutions. Two are related to the usual six- and eight-vertex models that have R-matrices of difference form. We find two completely new solutions of the Yang-Baxter equation, which are manifestly of non-difference form. These new solutions contain the S-matrices of the AdS2 and AdS3 integrable models as a special case. Consequently, we can classify all possible integrable deformations of eight-vertex type of these holographic integrable systems.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. All 4 x 4 solutions of the quantum Yang-Baxter equation

    math-ph 2024-11 unverdicted novelty 8.0 of 10

    The authors complete the classification of all 4×4 solutions of the quantum Yang-Baxter equation, including non-regular cases, and examine their relation to Lax operators.

  2. Long-range to the Rescue of Yang-Baxter II

    hep-th 2025-07 conditional novelty 6.0 of 10

    A long-range Bethe ansatz produces four-magnon eigenstates, recursively built from three-magnon data, for the one-loop spin chain of a marginally deformed Z2 orbifold of N=4 SYM.

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