2024
DOI: 10.21468/scipostphys.17.1.017
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Loop equations for generalised eigenvalue models

Edoardo Vescovi,
Konstantin Zarembo

Abstract: We derive the loop equation for the 1-matrix model with generic difference-type measure for eigenvalues and develop a recursive algebraic framework for solving it to an arbitrary order in the coupling constant in and beyond the planar approximation. The planar limit is solved exactly for a one-parametric family of models and in the general case at strong coupling. The Wilson loop in the \mathcal{N}=2^*đť’©=2* super-Yang-Mills theory and the Hoppe model are used to illustrate our methods.

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