Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-03-05
Nucl.Phys. B694 (2004) 443-472
Physics
High Energy Physics
High Energy Physics - Theory
25 pages, detailed version of hep-th/0401166
Scientific paper
10.1016/j.nuclphysb.2004.06.031
We compute an the genus 1 correction to free energy of Hermitian two-matrix model in terms of theta-functions associated to spectral curve arising in large N limit. We discuss the relationship of this expression to isomonodromic tau-function, Bergmann tau-function on Hurwitz spaces, G-function of Frobenius manifolds and determinant of Laplacian in a singular metric over spectral curve.
Eynard Bertrand
Kokotov Alexey
Korotkin Dmitrii
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