2d partition function in Ω-background and vortex/instanton correspondence

Toshiaki Fujimori, Taro Kimura, Muneto Nitta, Keisuke Ohashi

研究成果: Article

9 引用 (Scopus)

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Abstract: We derive the exact vortex partition function in 2d N=(2,2) gauge theory on the Ω-background, applying the localization scheme in the Higgs phase. We show that the partition function at a finite Ω-deformation parameter ϵ 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 Ω-deformation parameters (ϵ1, ϵ2).

元の言語English
記事番号110
ページ(範囲)1-41
ページ数41
ジャーナルJournal of High Energy Physics
2015
発行部数12
DOI
出版物ステータスPublished - 2015 12 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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