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arXiv 2009.07136hep-th
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局域$G_2$ -流形、Higgs丛和有色量子力学

Local $G_2$-Manifolds, Higgs Bundles and a Colored Quantum Mechanics

Max Hubner

摘要:

局部$G_2$ -流形上的M-理论设计了四维极小超对称规范理论。考虑ALE纤维$G_2$ -流形,从部分扭曲的7 d超对称Yang-Mills理论及其Higgs丛的角度研究4d物理.欧氏M ~ 2膜瞬子下降到7 d超对称杨-米尔斯理论的非微扰效应,与有色超对称量子力学的瞬子一一对应.我们利用色量子力学中的局域化方法计算了M2-膜瞬子在有效7 d描述下对4d超势的贡献。此外,我们考虑非分裂的希格斯束,并分析其4D光谱。

英文摘要:

M-theory on local $G_2$-manifolds engineers 4d minimally supersymmetric gauge theories. We consider ALE-fibered $G_2$-manifolds and study the 4d physics from the view point of a partially twisted 7d supersymmetric Yang-Mills theory and its Higgs bundle. Euclidean M2-brane instantons descend to non-perturbative effects of the 7d supersymmetric Yang-Mills theory, which are found to be in one to one correspondence with the instantons of a colored supersymmetric quantum mechanics. We compute the contributions of M2-brane instantons to the 4d superpotential in the effective 7d description via localization in the colored quantum mechanics. Further we consider non-split Higgs bundles and analyze their 4d spectrum.

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