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From matrices to strings and back

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Abstract

We discuss an explicit construction of a string dual for the Gaussian matrix model. Starting from the matrix model and employing Strebel differentials 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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Correspondence to Shlomo S. Razamat.

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ArXiv ePrint: 0911.0658

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Razamat, S.S. From matrices to strings and back. J. High Energ. Phys. 2010, 49 (2010). https://doi.org/10.1007/JHEP03(2010)049

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