Two-logarithm matrix model with an external field
L. Chekhov, K. Palamarchuk
Abstract
We investigate the two-logarithm matrix model with the potential XΛ+α(1+X)+β(1-X) related to an exactly solvable Kazakov-Migdal model. In the proper normalization, using Virasoro constraints, we prove the equivalence of this model and the Kontsevich-Penner matrix model and construct the 1/N-expansion solution of this model.
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