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arXiv 1007.1202hep-thmath.KT
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S-对偶和U-对偶中膜荷的K-理论匹配

K-theoretic matching of brane charges in S- and U-duality

Stefan Mendez-Diez, Jonathan Rosenberg

摘要:

本文讨论了4-环面上的I型弦对偶与K3曲面上的IIA型弦对偶中D-膜荷的K-理论匹配。这种情况比我们熟悉的IIA/IIB对偶更复杂,后者已经被很好地理解了,但事实证明,用它的轨道下降来代替K3似乎在很大程度上解决了这个理论的明显问题。特别是,这允许2-挠膜电荷的精确匹配。

英文摘要:

We discuss K-theoretic matching of D-brane charges in the string duality between type I on the 4-torus and type IIA on a K3 surface. This case is more complex than the familiar case of IIA/IIB duality, which is already well understood, but it turns out that replacing K3 by its orbifold blow-down seems largely to resolve the apparent problems with the theory. In particular, this allows for precise matching of 2-torsion brane charges.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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