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        學術報告

        學術活動

        學術報告
        06/22 2022 Seminar
        • Title題目 Fermionic BPS Wilson loops in four-dimensional superconformal field theories
        • Speaker報告人 Prof. Junbao Wu (Tianjin U.)
        • Date日期 2022年6月22日 14:00
        • Venue地點 Zoom link: https://us02web.zoom.us/j/82863234719?pwd=a0Q2dnhTNmFybkFEWnZOdmV5SEt1Zz09 Meeting ID: 828 6323 4719 Passcode: 433329
        • Abstract摘要
            Fermionic BPS Wilson loops (WLs) are important in the study of three-dimensional super-Chern-Simons theories and AdS4/CFT3 correspondence. In this talk, I will introduce the first construction of such fermionic WLs in N=2 superconformal SU(N)*SU(N) quiver theory and N=4 super Yang-Mills theory. The connections of these fermionic BPS Wilson have a supermatrix structure. We construct timelike BPS Wilson lines in Minkowski spacetime and circle BPS Wilson loops in Euclidean space. These Wilson loops involve dimensionful parameters. For generic values of parameters, they preserve one real (complex) supercharge in Lorentzian (Euclidean) signature. Supersymmetry enhancement for Wilson loops happens when the parameters satisfy certain constraints. This talk is based on joint work arXiv:2205.01348 done with Hao Ouyang.
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