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arXiv 0909.1842hep-th
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II/F型理论紧化中离壳镜对称性的提示

Hints for Off-Shell Mirror Symmetry in type II/F-theory Compactifications

Murad Alim, Michael Hecht, Hans Jockers, Peter Mayr, Adrian Mertens, Masoud Soroush

摘要:

本文对紧Calabi-Yau流形上的参数依赖D-膜族进行了Hodge理论研究。从B型膜的几何Gauss-Manin联络出发,研究了B型膜的可积性和平坦性条件。B模型几何定义了一个有趣的算子环结构。对于镜像A模型,这表明存在所谓A模型连接的开弦扩展,而发现的环结构应该是开弦A模型量子上同调的一部分。我们得到的预测真正的Ooguri-Vafa不变量的拉格朗日膜上的五次P4,通过一些非平凡的一致性检查。本文讨论了Calabi-Yau 4-folds上的膜紧化对F-理论的提升以及由开闭形变空间的N = 1特殊几何所决定的有效超引力作用量中的有效耦合。

英文摘要:

We perform a Hodge theoretic study of parameter dependent families of D-branes on compact Calabi-Yau manifolds in type II and F-theory compactifcations. Starting from a geometric Gauss-Manin connection for B type branes we study the integrability and flatness conditions. The B model geometry defines an interesting ring structure of operators. For the mirror A model this indicates the existence of an open-string extension of the so-called A model connection, whereas the discovered ring structure should be part of the open-string A model quantum cohomology. We obtain predictions for genuine Ooguri-Vafa invariants for Lagrangian branes on the quintic in P4 that pass some non-trivial consistency checks. We discuss the lift of the brane compactifications to F-theory on Calabi-Yau 4-folds and the effective couplings in the effective supergravity action as determined by the N = 1 special geometry of the open-closed deformation space.

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