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<p>In this paper we perform the boundary algebraic Bethe Ansatz for massive representations of the AdS<sub>3</sub> × <i>S</i><sup>3</sup> × <i>T</i> <sup>4</sup> integrable system. This is a companion analysis to our study of massless representations [<i>J. Phys. A</i> <b>58</b> (2025) 045402]. Our treatment is comprehensive of all possible assortments of tensor-factor polarisations which build the physical representations in the spectrum, and includes different choices of auxiliary spaces, revealing subtle differences in the procedure. We survey both singlet and vector boundaries, obtaining the auxiliary Bethe equations in very general form for all cases.</p>

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Boundary Bethe ansatz in massive AdS3

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月16日

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  • Daniele Bielli,
  • Vasileios Moustakis,
  • Alessandro Torrielli

摘要

In this paper we perform the boundary algebraic Bethe Ansatz for massive representations of the AdS3 × S3 × T 4 integrable system. This is a companion analysis to our study of massless representations [J. Phys. A 58 (2025) 045402]. Our treatment is comprehensive of all possible assortments of tensor-factor polarisations which build the physical representations in the spectrum, and includes different choices of auxiliary spaces, revealing subtle differences in the procedure. We survey both singlet and vector boundaries, obtaining the auxiliary Bethe equations in very general form for all cases.