Supersymmetric Intersecting Branes on the Type IIA T6/Bbb Z4 Orientifold
Supersymmetric Intersecting Branes on the Type IIA T6/Bbb Z4 Orientifold
复制标题
IIA T6/Bbb Z4 型 Orientifold 上的超对称相交膜
DOI：
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发表时间：
2002
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影响因子：
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通讯作者：
T. Ott
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作者：
R. Blumenhagen;Lars Goerlich;T. Ott
研究了在iia型T6/4取向褶皱背景下包裹3环的超对称交叉d6膜。作为一个新的特征，这个轨道空间中的3圈既来自于未扭曲的扇区，也来自于2扭曲的扇区。我们给出了同调格H3（M,）的分数阶3环的积分基，其交点形式涉及到E8的Cartan矩阵。我们证明了这些分数d6膜可以用来构造超对称膜构型，实现了三代帕蒂-萨拉姆模型。通过保持超对称的膜重组过程，这个GUT模型可以被分解成一个类标准模型。
We study supersymmetric intersecting D6-branes wrapping 3-cycles in the type-IIA T6/4 orientifold background. As a new feature, the 3-cycles in this orbifold space arise both from the untwisted and the 2 twisted sectors. We present an integral basis for the homology lattice, H3(M,), in terms of fractional 3-cycles, for which the intersection form involves the Cartan matrix of E8. We show that these fractional D6-branes can be used to construct supersymmetric brane configurations realizing a three generation Pati-Salam model. Via brane recombination processes preserving supersymmetry, this GUT model can be broken down to a standard-like model.