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arXiv 1704.00538hep-th
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超对称RG流和II型轨道二重紧化的Janus

Supersymmetric RG flows and Janus from type II orbifold compactification

Parinya Karndumri, Khem Upathambhakul

摘要:

我们研究了四维$N=4$规范超引力中的全息RG流解,这些超引力是从在具有规范、几何和非几何通量的$T^6/\mathbb{Z}_2\times \mathbb{Z}_2$轨道上紧致化的IIA型和IIB型弦理论得到的。在IIB型非几何紧化中,所得到的规范超引力具有$ISO(3)\times ISO(3)$规范群,并且在三维中允许一个$N=4$超共形场论(SCFT)的$N=4$ $AdS_4$真空对偶。我们研究了各种超对称RG流从这个$N=4$ SCFT $N=4$和$N=1$非共形场论在IR中。流保持$N=4$超对称性驱动的相关运营商的尺寸$Δ=1,2$或替代这些相关运营商之一,对偶的双粒子,和无关的运营商的尺寸$Δ=4$而$N=1$流另外涉及边际变形。大部分的流动可以通过解析的方法得到。我们还给出了保持$N=4$和$N=1$超对称性的超对称Janus解的例子。这些解应该描述双$N=4$ SCFT内的二维共形缺陷。IIA型理论的几何紧化产生了具有$ISO(3)\ltimes U(1)^6$规范群的$N=4$规范超引力。在这种情况下,所产生的规范超重力允许$N=1$ $AdS_4$真空。我们还数值研究了可能的$N=1$ RG流的非共形场理论在这种情况下。

英文摘要:

We study holographic RG flow solutions within four-dimensional $N=4$ gauged supergravity obtained from type IIA and IIB string theories compactified on $T^6/\mathbb{Z}_2\times \mathbb{Z}_2$ orbifold with gauge, geometric and non-geometric fluxes. In type IIB non-geometric compactifications, the resulting gauged supergravity has $ISO(3)\times ISO(3)$ gauge group and admits an $N=4$ $AdS_4$ vacuum dual to an $N=4$ superconformal field theory (SCFT) in three dimensions. We study various supersymmetric RG flows from this $N=4$ SCFT to $N=4$ and $N=1$ non-conformal field theories in the IR. The flows preserving $N=4$ supersymmetry are driven by relevant operators of dimensions $Δ=1,2$ or alternatively by one of these relevant operators, dual to the dilaton, and irrelevant operators of dimensions $Δ=4$ while the $N=1$ flows in addition involve marginal deformations. Most of the flows can be obtained analytically. We also give examples of supersymmetric Janus solutions preserving $N=4$ and $N=1$ supersymmetries. These solutions should describe two-dimensional conformal defects within the dual $N=4$ SCFT. Geometric compactifications of type IIA theory give rise to $N=4$ gauged supergravity with $ISO(3)\ltimes U(1)^6$ gauge group. In this case, the resulting gauged supergravity admits an $N=1$ $AdS_4$ vacuum. We also numerically study possible $N=1$ RG flows to non-conformal field theories in this case.

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