Magnetic expansion of Nekrasov theory: the SU(2) pure gauge theory

Wei He, Yan-Gang Miao

It is recently claimed by Nekrasov and Shatashvili that the $\mathcal{N}=2$ gauge theories in the $\Omega$ background with ${\epsilon }_1=\hslash ,{\epsilon }_2=0$ are related to the quantization of certain…