arXiv 0811.29002008-11hep-th

F-理论紧化中的通量代数、Bianchi恒等式和Freed-Witten反常

Flux algebra, Bianchi identities and Freed-Witten anomalies in F-theory compactifications

G. Aldazabal, P. G. Camara, J. A. Rosabal

备注：: 50 pages. Section 5.2 corrected
发表信息：: Nucl.Phys.B814:21-52,2009
DOI：: 10.1016/j.nuclphysb.2009.01.006

摘要：

我们讨论了与F-理论的全局非几何紧化相对应的四维规范超引力代数的结构，承认了10维超引力的局部几何描述。从著名的非几何IIB型通量的规范生成元代数出发，导出了一个包含所有闭RR和NSNS、几何和非几何对偶通量的全代数。我们实现了这一推广的SL（2，Z）的对偶变换的系统应用和照顾的旋量结构的通量。由此产生的代数编码了关于高维理论的许多信息。特别是，蝌蚪方程和Bianchi身份可作为雅可比身份的代数。当包含磁化（p，q）π-膜的扇区时，某些闭轴子可以通过膜上的U（1）变换来规范。我们指出如何对角规范生成的膜可以被纳入到全代数，并表明，自由威滕约束和蝌蚪取消条件（p，q）7-膜可以描述为雅可比恒等式所满足的代数混合体和膜规范生成。

英文摘要：

We discuss the structure of 4D gauged supergravity algebras corresponding to globally non-geometric compactifications of F-theory, admitting a local geometric description in terms of 10D supergravity. By starting with the well known algebra of gauge generators associated to non-geometric type IIB fluxes, we derive a full algebra containing all, closed RR and NSNS, geometric and non-geometric dual fluxes. We achieve this generalization by a systematic application of SL(2,Z) duality transformations and by taking care of the spinorial structure of the fluxes. The resulting algebra encodes much information about the higher dimensional theory. In particular, tadpole equations and Bianchi identities are obtainable as Jacobi identities of the algebra. When a sector of magnetized (p,q) 7-branes is included, certain closed axions are gauged by the U(1) transformations on the branes. We indicate how the diagonal gauge generators of the branes can be incorporated into the full algebra, and show that Freed-Witten constraints and tadpole cancellation conditions for (p,q) 7-branes can be described as Jacobi identities satisfied by the algebra mixing bulk and brane gauge generators.

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英文摘要：

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