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2d partition function in Ω-background and vortex/instanton correspondence
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DOI：10.1007/JHEP12(2015)110.png)
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摘要
En 中文
We derive the exact vortex partition function in 2d N = (2, 2) gauge theory on the Omega-background, applying the localization scheme in the Higgs phase. We show that the partition function at a finite Omega-deformation parameter epsilon satisfies a system of differential equations, which can be interpreted as a quantized version of the twisted F-term equations characterizing the SUSY vacua. Using the differential equations derived in this paper, we show the correspondence between the partition function of the two-dimensional vortex string worldsheet theory and the Nekrasov partition function at the root of Higgs branch of the four-dimensional N = 2 theory with two Omega-deformation parameters (epsilon(1), epsilon(2)).
Keyword:
Supersymmetric gauge theory
Solitons Monopoles and Instantons
Field Theories in Lower Dimensions
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期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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