D-branes and discrete torsion II

D-branes and discrete torsion II
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D 膜和离散扭转 II

DOI:
10.1088/1126-6708/2005/09/053
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发表时间:
1999
影响因子:
5.4
通讯作者:
B. Fiol
B. Fiol
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Michael R Douglas;B. Fiol

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本文导出了3/n × n离散挠率轨道的D-膜规范理论,并研究了D-膜在一点处的模空间.我们证明了,正如在以前的工作中所建议的,闭弦模不能完全解决奇点,但由此产生的空间-包含n-1个锥状奇点-有点令人惊讶。分数膜也有不寻常的性质。我们还定义了一个指数,它是几何紧化中交形式的CFT模拟,并利用它证明了缠绕在T6/n × n上的基本D 6-膜必须具有U(n)世界体积规范对称性。
We derive D-brane gauge theories for 3/n × n orbifolds with discrete torsion and study the moduli space of a D-brane at a point. We show that, as suggested in previous work, closed string moduli do not fully resolve the singularity, but the resulting space — containing n−1 conifold singularities — is somewhat surprising. Fractional branes also have unusual properties. We also define an index which is the CFT analog of the intersection form in geometric compactification, and use this to show that the elementary D6-brane wrapped about T6/n × n must have U(n) world-volume gauge symmetry.
T. Mukai.:“大脑特异性醛缩酶 C 基因的结构和基因组组织”
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