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arXiv 1706.05342hep-th
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计算Calabi-Yau流形模空间几何的一种新方法

A new approach for computing the geometry of the moduli spaces for a Calabi-Yau manifold

Konstantin Aleshkin, Alexander Belavin

摘要:

已知Calabi-Yau(CY)流形的模空间是特殊的Kähler流形。这种结构决定了相应的低能有效理论,该理论产生于CY流形上的超弦紧化。在CY流形作为加权射影空间中的一个超曲面的情况下,我们提出了一种计算模空间的Kähler势的新方法.我们的方法是基于这样一个事实,即CY流形的模空间是Frobenius流形的一个边缘子空间,它产生于相应的Landau-Ginzburg超势的变形空间上。

英文摘要:

It is known that moduli spaces of Calabi-Yau (CY) manifolds are special Kähler manifolds. This structure determines the corresponding low-energy effective theory which arises in superstring compactifications on CY manifolds. In the case, where CY manifold is given as a hypersurface in the weighted projective space, we propose a new procedure for computing the Kähler potential of the moduli space. Our method is based on the fact that the moduli space of CY manifolds is a marginal subspace of the Frobenius manifold which arises on the deformation space of the corresponding Landau--Ginzburg superpotential.

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