# Integrable S-matrices, massive and massless modes and the AdS2 × S2 superstring

@article{Hoare2014IntegrableSM,
title={Integrable S-matrices, massive and massless modes and the AdS2 × S2 superstring},
author={Ben Hoare and Antonio Pittelli and Alessandro Torrielli},
journal={Journal of High Energy Physics},
year={2014},
volume={2014},
pages={1-41}
}
• Published 1 July 2014
• Mathematics
• Journal of High Energy Physics
A bstractWe derive the exact S-matrix for the scattering of particular representations of the centrally-extended psu1|12$$\mathfrak{p}\mathfrak{s}\mathfrak{u}{\left(1\Big|1\right)}^2$$ Lie superalgebra, conjectured to be related to the massive modes of the light-cone gauge string theory on AdS2 × S2 × T6. The S-matrix consists of two copies of a centrally-extended psu1|1$$\mathfrak{p}\mathfrak{s}\mathfrak{u}\left(1\Big|1\right)$$ invariant S-matrix and is in agreement with the tree-level…
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