PreprintThe Bound State \(S\)-matrix of the Deformed Hubbard ChainMarius de Leeuw, Takuya Matsumoto, Vidas RegelskisAbstractIn this work we use the q-oscillator formalism to construct the atypical (short) supersymmetric representations of the centrally extended \(\mathcal{U}_q(\mathfrak{su}(2|2))\) algebra. We then determine the S-matrix describing the scattering of arbitrary bound states. The crucial ingredient in this derivation is the affine extension of the aforementioned algebra. Keywords: Quantum affine algebra, \(q\)-oscillator formalism, Hubbard Chain, \(S\)-matrix, AdS/CFT correspondence.
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