Surface defects and elliptic quantum groups (1701.05562v3)

Published 19 Jan 2017 in hep-th, math-ph, math.MP, and math.QA

Abstract: A brane construction of an integrable lattice model is proposed. The model is composed of Belavin's R-matrix, Felder's dynamical R-matrix, the Bazhanov-Sergeev-Derkachov-Spiridonov R-operator and some intertwining operators. This construction implies that a family of surface defects act on supersymmetric indices of four-dimensional $\mathcal{N} = 1$ supersymmetric field theories as transfer matrices related to elliptic quantum groups.

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Authors (1)

Junya Yagi

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