Abstract
A recently proposed correspondence between 4-dimensional \( \mathcal{N} = 2 \) SUSY SU(k) gauge theories on \( {{{{\mathbb{R}^4}}} \left/ {{{\mathbb{Z}_m}}} \right.} \) and SU(k) Toda-like theories with Z m parafermionic symmetry is used to construct four-point \( \mathcal{N} = 1 \) super Liouville conformal block, which corresponds to the particular case k = m = 2.
The construction is based on the conjectural relation between moduli spaces of SU(2) instantons on \( {{{{\mathbb{R}^4}}} \left/ {{{\mathbb{Z}_2}}} \right.} \) and algebras like \( \widehat{\text{gl}} {(2)_2} \times \mathcal{N}\mathcal{S}\mathcal{R} \). This conjecture is confirmed by checking the coincidence of number of fixed points on such instanton moduli space with given instanton number N and dimension of subspace degree N in the representation of such algebra.
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ArXiv ePrint: 1106.4001
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Belavin, A., Belavin, V. & Bershtein, M. Instantons and 2d superconformal field theory. J. High Energ. Phys. 2011, 117 (2011). https://doi.org/10.1007/JHEP09(2011)117
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DOI: https://doi.org/10.1007/JHEP09(2011)117