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arXiv · 1406.0453

The complete AdS_3 x S^3 x T^4 worldsheet S-matrix

Riccardo Borsato·Olof Ohlsson Sax·Alessandro Sfondrini·Bogdan Stefanski jr
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Abstract

We derive the non-perturbative worldsheet S matrix for fundamental excitations of Type IIB superstring theory on AdS_3 x S^3 x T^4 with Ramond-Ramond flux. To this end, we study the off-shell symmetry algebra of the theory and its representations. We use these to determine the S matrix up to scalar factors and we derive the crossing equations that these scalar factors satisfy. Our treatment automatically includes fundamental massless excitations, removing a long-standing obstacle in using integrability to study the AdS_3/CFT_2 correspondence. The present paper contains a detailed derivation of results first announced in arXiv:1403.4543.

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Riccardo Borsato, Olof Ohlsson Sax, Alessandro Sfondrini, Bogdan Stefanski jr. 2014-06-23. The complete AdS_3 x S^3 x T^4 worldsheet S-matrix. https://doi.org/10.1007/jhep10(2014)066

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