Universal blocks of the AdS/CFT Scattering Matrix

Abstract

We identify certain blocks in the S-matrix describing the scattering of bound states of the AdS5 x S5 superstring that allow for a representation in terms of universal R-matrices of Yangian doubles. For these cases, we use the formulas for Drinfeld's second realization of the Yangian in arbitrary bound-state representations to obtain the explicit expressions for the corresponding R-matrices. We then show that these expressions perfectly match with the previously obtained S-matrix blocks.

24 pages, plain LaTeX

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• Y-system and Quasi-Classical Strings
• Yangians, S-matrices and AdS/CFT
• The Classical Trigonometric r-Matrix for the Quantum-Deformed Hubbard Chain
• Integrable open spin-chains in AdS3/CFT2 correspondences
• The Bound State S-matrix of the Deformed Hubbard Chain
• Review of AdS/CFT Integrability, Chapter VI.2: Yangian Algebra
• Asymptotic Bethe equations for open boundaries in planar AdS/CFT
• On the massless modes of the AdS3/CFT2 integrable systems
• Superspace methods for the computation of wrapping effects in the standard and beta-deformed N=4 SYM
• Wrapping effects in supersymmetric gauge theories
• Bound State Scattering Simplified
• Multi-parametric R-matrix for the sl(2|1) Yangian