Matrix Model Calculations beyond the Spherical Limit

Details Matrix Model Calculations beyond the Spherical Limit Matrix Model Calculations beyond the Spherical Limit

1993-02-03

arxiv.org/abs/hep-th/9302014v1

Nucl.Phys. B404 (1993) 127-172; Erratum-ibid. B449 (1995) 681

Physics

High Energy Physics

High Energy Physics - Theory

44 pages

Scientific paper

10.1016/0550-3213(93)90476-6

We propose an improved iterative scheme for calculating higher genus contributions to the multi-loop (or multi-point) correlators and the partition function of the hermitian one matrix model. We present explicit results up to genus two. We develop a version which gives directly the result in the double scaling limit and present explicit results up to genus four. Using the latter version we prove that the hermitian and the complex matrix model are equivalent in the double scaling limit and that in this limit they are both equivalent to the Kontsevich model. We discuss how our results away from the double scaling limit are related to the structure of moduli space.

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