paper

Finite -corrections to the SYM prepotential

arXiv:1506.01340 · doi:10.1016/j.physletb.2015.09.002

Abstract

We derive the first -correction to the instanton partition functions of Super Yang-Mills (SYM) in four dimensions in the Nekrasov-Shatashvili limit . In the latter we recall the emergence of the famous Thermodynamic Bethe Ansatz-like equation which has been found by Mayer expansion techniques. Here we combine efficiently these to field theory arguments. In a nutshell, we find natural and resolutive the introduction of a new operator that distinguishes the singularities within and outside the integration contour of the partition function.

13 pages, 1 figure

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