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arXiv 2002.10807hep-th
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正则形式中的S-对偶与循环算子

S-duality and loop operators in canonical formalism

Shan Hu

摘要:

本文研究了Yang-Mills理论的规范不变量t Hooft算符的正则形式以及规范群$ U(N) $的$\mathcal{N} =4 $超Yang-Mills理论.证明了用规范群的任意不可约表示标记的'tHooft算子的谱与用相同表示标记的Wilson算子的谱相同。因此,构造一个酉算子$ S $,使两类循环算子相互转化成为可能。S-对偶变换可以通过算子$ S $来实现。我们计算了在费米子耦合关闭的情况下,圈算符的超对称变化。这一结果与$ S $的作用使超荷发生$ U(1)_{Y} $相变的预期是一致的。

英文摘要:

We study the gauge invariant 't Hooft operator in canonical formalism for Yang-Mills theory as well as the $\mathcal{N} =4 $ super-Yang-Mills theory with the gauge group $ U(N) $. It is shown that the spectrum of the 't Hooft operator labeled by the arbitrary irreducible representation of the gauge group is the same as the spectrum of the Wilson operator labeled by the same representation. So it is possible to construct a unitary operator $ S $ making the two kinds of loop operators transformed into each other. S-duality transformation could be realized by the operator $ S $. We compute the supersymmetry variations of the loop operators with the fermionic couplings turned off. The result is consistent with the expectation that the action of $ S $ should make supercharges transform with a $ U(1)_{Y} $ phase.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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