From Matrices to Strings and Back

Details From Matrices to Strings and Back From Matrices to Strings and Back

2009-11-03

arxiv.org/abs/0911.0658v1

JHEP 1003:049,2010

Physics

High Energy Physics

High Energy Physics - Theory

27 pages, 3 figures

Scientific paper

10.1007/JHEP03(2010)049

We discuss an explicit construction of a string dual for the Gaussian matrix model. Starting from the matrix model and employing Strebel differential techniques we deduce hints about the structure of the dual string. Next, following these hints a worldheet theory is constructed. The correlators in this string theory are assumed to localize on a finite set of points in the moduli space of Riemann surfaces. To each such point one associates a Feynman diagram contributing to the correlator in the dual matrix model, and thus recasts the worldsheet expression as a sum over Feynman diagrams.

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