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arXiv 0704.2666hep-th
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D-膜超势与五次曲线上的RG流

D-brane superpotentials and RG flows on the quintic

Marco Baumgartl, Ilka Brunner, Matthias R. Gaberdiel

摘要:

将Landau-Ginzburg技巧与共形场论的方法相结合,分析了五次D ~ 2-膜在复杂结构形变下的行为.它表明,边界重整化群流诱导的体积变形实现为一个梯度流的有效时空超势,这是明确计算的所有订单的边界耦合常数。

英文摘要:

The behaviour of D2-branes on the quintic under complex structure deformations is analysed by combining Landau-Ginzburg techniques with methods from conformal field theory. It is shown that the boundary renormalisation group flow induced by the bulk deformations is realised as a gradient flow of the effective space time superpotential which is calculated explicitly to all orders in the boundary coupling constant.

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