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arXiv 0705.0024hep-th
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精确的半BPS型IIB接口解决方案II:通量解决方案和多Janus

Exact half-BPS Type IIB interface solutions II: Flux solutions and multi-Janus

Eric D'Hoker, John Estes, Michael Gutperle

摘要:

对在一篇论文中导出的具有16个超对称的$AdS_4 \times S^2 \times S^2 \times Σ$的精确IIB型解施加正则性和拓扑条件。我们构造了一个无穷多类正则解,它们具有变化的导数和非零的3-形式通量。我们的解可以看作是掺杂D5和/或NS 5膜的$AdS_5 \times S^5$(或更一般地说,Janus)的完全反反应几何结构。通过选择一个任意亏格的$g$超椭圆黎曼曲面$Σ$的边界,其所有的分支点被限制在一条线上的解决方案参数化。对于亏格为0的方程,恢复了具有16个超对称和6个实参数的Janus解,其拓扑结构与$AdS_5 \times S^5$的拓扑结构一致.亏格$g\geq 1$解由全部$4g+6$实数参数化,其中$2g-1$是$Σ$的实数模。这些解有$2g+2$渐近$AdS_5 \times S^5$区域、具有RR 3-形式电荷的$g$三球和具有NSNS 3-形式电荷的另一个$g$。$Σ$的连续分支点的崩溃产生对应于探测极限中的D5和NS 5膜的奇点。我们认为,AdS/CFT对偶规范理论对我们的每一个解决方案包括一个2+1维的平面界面上终止$2g+2$半闵可夫斯基3+1维时空$\mathcal{N}=4$超杨-米尔斯理论。一般来说,在每个闵可夫斯基半时空中的$\\mathcal{N}=4$理论可能有一个独立的规范耦合值,界面可能支持各种算子,其界面耦合是对偶规范理论的进一步自由参数。

英文摘要:

Regularity and topology conditions are imposed on the exact Type IIB solutions on $AdS_4 \times S^2 \times S^2 \times Σ$ with 16 supersymmetries, which were derived in a companion paper. We construct an infinite class of regular solutions with varying dilaton, and non-zero 3-form fluxes. Our solutions may be viewed as the fully back-reacted geometries of $AdS_5 \times S^5$ (or more generally, Janus) doped with D5 and/or NS5 branes. The solutions are parametrized by the choice of an arbitrary genus $g$ hyper-elliptic Riemann surface $Σ$ with boundary, all of whose branch points are restricted to lie on a line. For genus 0, the Janus solution with 16 supersymmetries and 6 real parameters is recovered; its topology coincides with that of $AdS_5 \times S^5$. The genus $g\geq 1$ solutions are parametrized by a total of $4g+6$ real numbers, $2g-1$ of which are the real moduli of $Σ$. The solutions have $2g+2$ asymptotic $AdS_5 \times S^5$ regions, $g$ three-spheres with RR 3-form charge, and another $g$ with NSNS 3-form charge. Collapse of consecutive branch points of $Σ$ yields singularities which correspond to D5 and NS5 branes in the probe limit. It is argued that the AdS/CFT dual gauge theory to each of our solutions consists of a 2+1-dimensional planar interface on which terminate $2g+2$ half-Minkowski 3+1-dimensional space-time $\mathcal{N}=4$ super-Yang-Mills theories. Generally, the $\\mathcal{N}=4$ theory in each Minkowski half-space-time may have an independent value of the gauge coupling, and the interface may support various operators, whose interface couplings are further free parameters of the dual gauge theory.

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