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arXiv 0902.4586hep-th
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N=4中的BPS威尔逊圈SYM:时空双曲子流形的例子

BPS Wilson loops in N=4 SYM: Examples on hyperbolic submanifolds of space-time

Volker Branding, Nadav Drukker

摘要:

本文给出了Minkowski空间中N=4超对称Yang-Mills理论的一族超对称威尔逊圈.我们的例子集中于时空的双曲子流形H_3和H_2上的曲线。一般他们保持两个supercharges,但在特殊情况下,更多,包括一个案件尚未讨论过,双曲线,共形的直线和圆,这是半BPS。我们讨论了这些威尔逊圈和它们的弦环的一些一般性质,并对一些特例进行了更详细的研究。一般来说,弦在AdS_5 × S^5的复化上传播,在某些特定的例子中,紧球面实际上被de-Sitter空间所取代。

英文摘要:

In this paper we present a family of supersymmetric Wilson loops of N=4 supersymmetric Yang-Mills theory in Minkowski space. Our examples focus on curves restricted to hyperbolic submanifolds, H_3 and H_2, of space-time. Generically they preserve two supercharges, but in special cases more, including a case which has not been discussed before, of the hyperbolic line, conformal to the straight line and circle, which is half-BPS. We discuss some general properties of these Wilson loops and their string duals and study special examples in more detail. Generically the string duals propagate on a complexification of AdS_5 x S^5 and in some specific examples the compact sphere is effectively replaced by a de-Sitter space.

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