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arXiv 1802.04581hep-thmath-phmath.MPmath.QAmath.SG
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$G_2$ -流形上拓扑膜的AKSZ构造

AKSZ constructions for topological membranes on $G_2$-manifolds

Zoltan Kokenyesi, Annamaria Sinkovics, Richard J. Szabo

摘要:

我们考虑AKSZ结构的BV行动封闭的拓扑膜,和他们的维数减少到拓扑弦西格玛模型。提出了$G_2$ -流形上拓扑膜的两个不等价的AKSZ构造,在每一个构造中,现有的两个拓扑膜理论表现为不同的规范固定版本.他们的降维给出了拓扑A模型的新AKSZ结构,进一步降维给出了超对称量子力学的AKSZ公式。我们发现,这两个AKSZ膜模型起源于一个单一的AKSZ三膜理论,它给出了标准的2-柯朗括号作为基础派生的括号通过worldvolume降维。圆上扭曲拓扑三膜理论的二维约化产生了具有NS-NS通量的弦论的标准Courant sigma模型。

英文摘要:

We consider AKSZ constructions of BV actions for closed topological membranes, and their dimensional reductions to topological string sigma-models. Two inequivalent AKSZ constructions for topological membranes on $G_2$-manifolds are proposed, in each of which the two existing topological membrane theories appear as different gauge fixed versions. Their dimensional reductions give new AKSZ constructions for the topological A-model, which on further dimensional reduction gives an AKSZ formulation of supersymmetric quantum mechanics. We show that the two AKSZ membrane models originate through worldvolume dimensional reduction of a single AKSZ threebrane theory, which gives the standard 2-Courant bracket as the underlying derived bracket. Double dimensional reduction of the twisted topological threebrane theory on a circle yields the standard Courant sigma-model for string theory with NS-NS flux.

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