オオタ カズトシ OHTA Kazutoshi
太田 和俊
所属 明治学院大学 情報数理学部 情報数理学科
職種 教授
言語種別 英語
発行・発表の年月 2016/02
形態種別 論文
査読 査読あり
標題 Coulomb Branch Localization in Quiver Quantum Mechanics
執筆形態 共著
掲載誌名 Journal of High Energy Physics
掲載区分 国外
出版社・発行元 Springer Berlin Heidelberg
巻・号・頁 02(2016),106
著者・共著者 Kazutoshi Ohta and Yuya Sasai
概要 We show how to exactly calculate the refined indices of N=4 U(1)xU(N) supersymmetric quiver quantum mechanics in the Coulomb branch by using the localization technique. The Coulomb branch localization is discussed from the viewpoint of both non-linear and gauged linear sigma models. A classification of fixed points in the Coulomb branch differs from one in the Higgs branch, but the derived indices completely agree with the results which were obtained by the localization in the Higgs branch. In the Coulomb branch localization, the refined indices can be written as a summation over different sets of the Coulomb branch fixed points. We also discuss a space-time picture of the fixed points in the Coulomb branch.
DOI 10.1007/JHEP02(2016)106
arXiv ID arXiv:1512.00594