On the dressing factors, Bethe equations and Yangian symmetry of strings on AdS3 × S3 × T4

Borsato, R., Ohlsson Sax, O., Sfondrini, A., Stefanski, B. & Torrielli, A. (2016). On the dressing factors, Bethe equations and Yangian symmetry of strings on AdS3 × S3 × T4. Journal of Physics A: Mathematical and Theoretical, 50(2), doi: 10.1088/1751-8121/50/2/024004

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Abstract

Integrability is believed to underlie the AdS3/CFT2 correspondence with sixteen supercharges. We elucidate the role of massless modes within this integrable framework. Firstly, we find the dressing factors that enter the massless and mixed-mass worldsheet S matrix. Secondly, we derive a set of all-loop Bethe Equations for the closed strings, determine their symmetries and weak-coupling limit. Thirdly, we investigate the underlying Yangian symmetry in the massless sector and show that it fits into the general framework of Yangian integrability. In addition, we compare our S matrix in the near-relativistic limit with recent perturbative worldsheet calculations of Sundin and Wulff.

Item Type:	Article
Uncontrolled Keywords:	01 Mathematical Sciences, 02 Physical Sciences
Subjects:	Q Science > QA Mathematics
Divisions:	School of Engineering & Mathematical Sciences > Department of Mathematical Science
URI:	http://openaccess.city.ac.uk/id/eprint/16075

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