arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2005.00083hep-thmath-phmath.AGmath.MPmath.QAmath.RT
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边界手征代数与全纯扭

Boundary Chiral Algebras and Holomorphic Twists

Kevin Costello, Tudor Dimofte, Davide Gaiotto

摘要:

研究了三维${\cal N}=2$规范理论在边界条件下的全纯扭曲,以及体定域算符和边界定域算符的代数结构。在全纯扭中,体局部算子和边界局部算子都构成手征代数(\emph{a.k.a.}顶点算子代数)。体代数是可交换的,具有移位泊松括号和“更高”的应力张量;而边界代数是体的模,可能不是可交换的,可能有也可能没有应力张量。我们明确地构造散装和边界代数的自由理论和朗道-金兹伯格模型。我们构造边界代数的规范理论与物质和/或陈-西蒙斯耦合,留下一个完整的描述散装代数未来的工作。我们简要地讨论了存在更高的A-无穷大的结构。

英文摘要:

We study the holomorphic twist of 3d ${\cal N}=2$ gauge theories in the presence of boundaries, and the algebraic structure of bulk and boundary local operators. In the holomorphic twist, both bulk and boundary local operators form chiral algebras (\emph{a.k.a.} vertex operator algebras). The bulk algebra is commutative, endowed with a shifted Poisson bracket and a "higher" stress tensor; while the boundary algebra is a module for the bulk, may not be commutative, and may or may not have a stress tensor. We explicitly construct bulk and boundary algebras for free theories and Landau-Ginzburg models. We construct boundary algebras for gauge theories with matter and/or Chern-Simons couplings, leaving a full description of bulk algebras to future work. We briefly discuss the presence of higher A-infinity like structures.

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