Topological String Correlators from Matrix Models

Lwazi Nkumane; Robert de Mello Koch

Topological String Correlators from Matrix Models

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arxiv 1411.5226 v2 pith:QUP4KAWO submitted 2014-11-19 hep-th

Robert de Mello Koch , Lwazi Nkumane This is my paper · ORCID

classification hep-th

keywords modelcorrelatorsmatrixtopologicalstringchosencompellingcompute

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We discuss how to compute connected matrix model correlators for operators related to the gravitational descendants of the puncture operator, for the topological A model on P^1. The relevant correlators are determined by recursion relations that follow from a systematic 1/N expansion of well chosen Schwinger-Dyson equations. Our results provide further compelling evidence for Gopakumar's proposed "simplest gauge string duality" between the Gaussian matrix model and the topological A model on P^1.

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Strings from Feynman Diagrams
hep-th 2024-12 conditional novelty 6.0 of 10

Every Feynman diagram in a two-matrix model is mapped to a unique closed string worldsheet and Belyi embedding, with the diagram's weight equal to the string action.

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