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arXiv 1802.05136hep-th
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不可因式分解环面上磁化D膜模型的Yukawa耦合

Yukawa couplings from magnetized D-brane models on non-factorisable tori

Stefan Forste, Christoph Liyanage

摘要:

我们计算Yukawa耦合在IIB型弦论紧化在一个不可因式分解的六环面的存在下的D9膜和通量。详细研究的设置,是通过T-dualising的相交膜配置的IIA型理论紧化的环面上产生的SO(12)根格。这种环面的特殊变形被考虑在内,并提供模量依赖的耦合。与IIA型结果的协议被发现在一个不平凡的方式。经典的IIB型计算也给出了只有IIA型量子计算才能得到的因子信息。

英文摘要:

We compute Yukawa couplings in type IIB string theory compactified on a non factorisable six-torus in the presence of D9 branes and fluxes. The setting studied in detail, is obtained by T-dualising an intersecting brane configuration of type IIA theory compactified on a torus generated by the SO(12) root lattice. Particular deformations of such torus are taken into account and provide moduli dependent couplings. Agreement with the type IIA result is found in a non trivial way. The classical type IIB calculation gives also information on a factor accessible only by quantum computations on the type IIA side.

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