Derivation of the action and symmetries of the q-deformed AdS5 × S5 superstring

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Abstract

Abstract: We recently proposed an integrable q-deformation of the AdS5 × S5 superstring action. Here we give details on the hamiltonian origin and construction of this deformation. The procedure is a generalization of the one previously developed for deforming principal chiral and symmetric space σ-models. We also show that the original psu(2,2|4) symmetry is replaced in the deformed theory by a classical analog of the quantum group Uq psu(2,2|4) with q real. The relation between q and the deformation parameter η entering the action is given. The framework used to derive the deformation also enables to prove that at the hamiltonian level, the “maximal deformation” limit corresponds to an undeformed semi-symmetric space σ-model with bosonic part dS5 × H5. Finally, we discuss the various freedoms in the construction.

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APA

Delduc, F., Magro, M., & Vicedo, B. (2014). Derivation of the action and symmetries of the q-deformed AdS5 × S5 superstring. Journal of High Energy Physics, 2014(10). https://doi.org/10.1007/JHEP10(2014)132

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