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arXiv 0907.5336hep-th
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边界变化扇区中矩阵分解和F项的变形理论

Deformation Theory of Matrix Factorizations and F-Terms in the Boundary Changing Sector

Johanna Knapp

摘要:

我们将变形理论的矩阵分解算法推广到了具有多个D-膜的系统。变形的障碍是F项方程,它可以被积分为一个有效的超势。我们证明了这种形式主义的权力的极小模型与两个或三个D-膜的几个例子。这些都是具有卡-丘三重D膜的系统的现实玩具例子,因为这两类模型都阻碍了开模。

英文摘要:

We extend the deformation theory algorithm of matrix factorizations to systems with more than one D-brane. The obstructions to the deformations are F-term equations which can be integrated to an effective superpotential. We demonstrate the power of this formalism for several examples of minimal models with two or three D-branes. These are realistic toy examples for systems with multiple D-branes in Calabi-Yau threefolds since both classes of models have obstructed open moduli.

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