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arXiv 2408.09455hep-th
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来自有质量 IIA 型的二维 $\mathcal{N}=(4,0)$ 夸克理论中的 Spin-2 算子

Spin-2 operators in two-dimensional $\mathcal{N}=(4,0)$ quivers from massive type IIA

Shuo Zhang

AI总结:

本文重新研究了有质量 IIA 型中具有 $\mathcal{N}=(4,0)$ 超对称性的一类解的 spin-2 涨落问题,识别出独立于背景数据的“最小普适类”涨落并计算了应力-能量张量 2 点函数的归一化。

摘要:

在本研究中,我们重新研究了在有质量 type IIA 中围绕一类解研究 spin-2 涨落的问题,该解由扭曲的 $\text{AdS}_3 \times \text{S}^2 \times \text{T}^4 \times \mathcal{I}_ρ$ 给出并具有 $\mathcal{N}=(4,0)$ 超对称性。我们能够识别出一类涨落,被称为“最小普适类”,它独立于背景数据并使与场论幺正界相关的质量界限饱和。这些算子的共形维数为 $Δ= 2(\ell+1)$,其中 $\ell$ 是 $\text{S}^2$ 上角动量的量子数。我们还从有效的 3 维引力子作用量计算了应力-能量张量 2 点函数的归一化。我们评论了我们的结果与有质量 type IIA 和 type IIB 理论中相关的 $\text{AdS}_3$ 和 $\text{AdS}_2$ 解的关系。

英文摘要:

In this work we revisit the problem of studying spin-2 fluctuations around a class of solutions in massive type IIA that is given by a warped $\text{AdS}_3 \times \text{S}^2 \times \text{T}^4 \times \mathcal{I}_ρ$ and with $\mathcal{N}=(4,0)$ supersymmetry. We were able to identify a class of fluctuations, which is known as the ``minimal universal class'' that is independent of the background data and saturates the bound on the mass related to the field theory unitarity bound. These operators have conformal dimension $Δ= 2(\ell+1)$, with $\ell$ being the quantum number of the angular momentum on the $\text{S}^2$. We also computed the normalisation of the $2$-point function of stress-energy tensors from the effective $3$-dimensional graviton action. We comment on the relation of our results to the related $\text{AdS}_3$ and $\text{AdS}_2$ solutions in massive type IIA and type IIB theories respectively.

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