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arXiv 0709.1932hep-th
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半平坦流形II上的杂优弦紧化

Heterotic String Compactifications on Half-flat Manifolds II

Sebastien Gurrieri, Andre Lukas, Andrei Micu

摘要:

本文在10维规范场的作用下,继续分析半平坦镜像流形上的杂化弦紧化。有人认为,杂种优势比安奇恒等式是解决了一个变种的标准嵌入。这样,尽管列维-奇维塔联系具有SO(6)完整性,但四维中的规范群仍然是E6。我们推导出相关的四维有效的理论,包括物质场的条款,这样的紧化。这些结果也被推广到更一般的SU(3)结构流形。

英文摘要:

In this paper, we continue the analysis of heterotic string compactifications on half-flat mirror manifolds by including the 10-dimensional gauge fields. It is argued, that the heterotic Bianchi identity is solved by a variant of the standard embedding. Then, the resulting gauge group in four dimensions is still E6 despite the fact that the Levi-Civita connection has SO(6) holonomy. We derive the associated four-dimensional effective theories including matter field terms for such compactifications. The results are also extended to more general manifolds with SU(3) structure.

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