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On the massless modes of the AdS3/CFT2 integrable systems

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arxiv 1211.1952 v3 pith:R63ZNQN5 submitted 2012-11-08 hep-th

classification hep-th
keywords integrableads3alphacft2masslessmodesspin-chainalternating
verification ladder T0 review T1 audit T2 compute T3 formal

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We make a proposal for incorporating massless modes into the spin-chain of the AdS3/CFT2 integrable system. We do this by considering the alpha to 0 limit of the alternating d(2,1;alpha)^2 spin-chain constructed in arXiv:1106.2558. In the process we encounter integrable spin-chains with non-irreducible representations at some of their sites. We investigate their properties and construct their R-matrices in terms of Yangians.

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Cited by 3 Pith papers

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

  1. Demystifying the Massless Sector in AdS_3 Quantum Spectral Curve

    hep-th 2024-12 conditional novelty 7.0 of 10

    Massless modes in the AdS3 x S3 x T4 quantum spectral curve are shown to emerge as zeros on the branch cut, yielding Bethe equations and uniquely constrained dressing phases.

  2. Boundary Bethe ansatz in massive $AdS_3$

    hep-th 2025-06 conditional novelty 6.0 of 10

    The authors derive universal auxiliary Bethe equations and transfer-matrix eigenvalues for massive representations of the AdS3xS3xT4 integrable string with singlet and vector boundaries.

  3. The AdS$_3\times $S$^3$ Virasoro-Shapiro amplitude with RR flux

    hep-th 2024-12 conditional novelty 6.0 of 10

    The first AdS curvature correction to the AdS3 x S3 Virasoro-Shapiro amplitude is fixed by matching an SVMPL worldsheet ansatz to the CFT block expansion, yielding new strong-coupling CFT data.

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