Abstract
In this work we use the q-oscillator formalism to construct the atypical (short) supersymmetric representations of the centrally extended \( {\mathcal{U}_q}\left( {\mathfrak{s}\mathfrak{u}\left( {2|2} \right)} \right) \) 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.
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de Leeuw, M., Matsumoto, T. & Regelskis, V. The bound state S-matrix of the deformed Hubbard chain. J. High Energ. Phys. 2012, 21 (2012). https://doi.org/10.1007/JHEP04(2012)021
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DOI: https://doi.org/10.1007/JHEP04(2012)021