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arXiv 1208.5935hep-th
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通过纤维化的膜解析

Brane Resolution Through Fibration

Justin F. Vazquez-Poritz, Zhibai Zhang

摘要:

我们考虑在横空间上有一个或多个圆方向纤维的p-膜。纤维化与具有爆破循环的横向空间相结合,使得这些p膜解是完全正则的。一些这样的圆包裹的D3膜解描述了从SU(N)^3 N=2理论、F_0理论以及无限族的超共形规范规范理论到三维场论的流动。我们讨论了远离UV固定点打开的操作符。类似地,也有包裹的M2-膜解,它描述了已知的三维超对称陈-西蒙斯物质理论(如ABJM理论)的光滑流动。我们还考虑了引力瞬子上的p-膜解,并讨论了U-对偶可以应用于产生其他非奇异解的各种方法。

英文摘要:

We consider p-branes with one or more circular directions fibered over the transverse space. The fibration, in conjunction with the transverse space having a blown-up cycle, enables these p-brane solutions to be completely regular. Some such circularly-wrapped D3-brane solutions describe flows from SU(N)^3 N=2 theory, F_0 theory, as well as an infinite family of superconformal quiver gauge theories, down to three-dimensional field theories. We discuss the operators that are turned on away from the UV fixed points. Similarly, there are wrapped M2-brane solutions which describe smooth flows from known three-dimensional supersymmetric Chern-Simons matter theories, such as ABJM theory. We also consider p-brane solutions on gravitational instantons, and discuss various ways in which U-duality can be applied to yield other non-singular solutions.

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