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arXiv 2201.08851hep-thgr-qc
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超对称破缺的无限远涌现弦

Emergent strings at infinite distance with broken supersymmetry

Ivano Basile

摘要:

研究了超对称破缺弦论中不稳定流真空族的无限距离性质。为此,我们采用了一个广义的概念,在模空间中的距离,我们建立了一个全息描述的非微扰制度的隧道级联的重整化群流。在一个极限中,我们恢复了一个指数轻塔的卡鲁扎-克莱因状态,而在相反的极限中,我们发现了一个塔的更高自旋激发的D1膜,实现了紧急弦的建议。特别是,全息描述包括一个自由扇区,其涌现的超共形对称性与超对称稳定性,CFT距离猜想和S-对偶性共振。我们计算标量顶点算子和单迹高自旋电流的异常维数,发现距离的指数抑制从重整化群的角度来看不是通用的,但似乎是特定于我们的设置。

英文摘要:

We investigate the infinite-distance properties of families of unstable flux vacua in string theory with broken supersymmetry. To this end, we employ a generalized notion of distance in the moduli space and we build a holographic description for the non-perturbative regime of the tunneling cascade in terms of a renormalization group flow. In one limit we recover an exponentially light tower of Kaluza-Klein states, while in the opposite limit we find a tower of higher-spin excitations of D1-branes, realizing the emergent string proposal. In particular, the holographic description includes a free sector, whose emergent superconformal symmetry resonates with supersymmetric stability, the CFT distance conjecture and S-duality. We compute the anomalous dimensions of scalar vertex operators and single-trace higher-spin currents, finding an exponential suppression with the distance which is not generic from the renormalization group perspective, but appears specific to our settings.

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