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arXiv · 1501.04533

String field theory vertex from integrability

Zoltan Bajnok·Romuald A. Janik
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Abstract

We propose a framework for computing the (light cone) string field theory vertex in the case when the string worldsheet QFT is a generic integrable theory. The prime example and ultimate goal would be the $AdS_5 \times S^5$ superstring theory cubic string vertex and the chief application will be to use this framework as a formulation for ${ \cal N}=4$ SYM theory OPE coefficients valid at any coupling up to wrapping corrections. In this paper we propose integrability axioms for the vertex, illustrate them on the example of the pp-wave string field theory and also uncover similar structures in weak coupling computations of OPE coefficients.

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Zoltan Bajnok, Romuald A. Janik. 2015-02-16. String field theory vertex from integrability. https://doi.org/10.1007/jhep04(2015)042

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