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北美退伍军人节(Veterans Day),12 日无更新
arXiv 0706.3049hep-th
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超越扭曲的Tori

Beyond Twisted Tori

Giovanni Villadoro, Fabio Zwirner

摘要:

利用这一事实,卡鲁扎-克莱因单极和相关的广义orbifold平面的来源的几何通量,欧米茄,我们表明,标准的约束omega.omega =0,有效的超弦紧化扭曲环面,可以一贯放松。这导致了新的可能性,构建超弦模型的通量和本地化的来源,以及稳定的模量。这也解释了一个N=4规范超引力族的10维起源,在IIA型定向折叠紧化中缺乏对其的解释。

英文摘要:

Exploiting the fact that Kaluza-Klein monopoles and the associated generalized orbifold planes are sources for geometrical fluxes, omega, we show that the standard constraint omega.omega=0, valid for superstring compactifications on twisted tori, can be consistently relaxed. This leads to novel possibilities for constructing superstring models with fluxes and localized sources, as well as for stabilizing moduli. This also explains the ten-dimensional origin of a family of N=4 gauged supergravities, whose interpretation in type-IIA orientifold compactifications was lacking.

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