Abstract

The prepotential in supersymmetric field theories is an analog of the Lagrangian function in classical mechanics. N. Nekrasov suggested a generalization of the prepotential by introducing a pair of additional parameters {∈ 1, ∈ 2}. In this paper, we construct the one-parametric Nekrasov prepotential depending on {∈ 1, ∈ 2} = {∈ 1, 0} by using the monodromies of the corresponding Calogero–Moser system. This correspondence establishes a natural relationship between supersymmetric field theories and integrable Hamiltonian systems.

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