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arXiv 1104.2641hep-th
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注意差距:超对称性破缺的标度,微观几何学

Mind the Gap: Supersymmetry Breaking in Scaling, Microstate Geometries

Orestis Vasilakis, Nicholas P. Warner

摘要:

我们使用一个多物种的supertube解决方案,构建一个例子的缩放微观几何非BPS黑环在五个维度。我们得到的微观几何的渐近电荷,并显示如何解决方案是相关的相应的非BPS黑环。超对称性是打破了一个非常控制的方式使用holonomy,这使得密切的比较与缩放,BPS微观几何。与BPS类似物相比,要求在超管附近没有封闭的类时曲线,对物理的非BPS解的模空间施加了额外的限制。对于大的完整性的缩放非BPS的解决方案总是有封闭的类时曲线,而对于较小的完整性有一个“间隙”,在非BPS的模空间相对于BPS对应。

英文摘要:

We use a multi-species supertube solution to construct an example of a scaling microstate geometry for non-BPS black rings in five dimensions. We obtain the asymptotic charges of the microstate geometry and show how the solution is related to the corresponding non-BPS black ring. The supersymmetry is broken in a very controlled manner using holonomy and this enables a close comparison with a scaling, BPS microstate geometry. Requiring that there are no closed time-like curves near the supertubes places additional restrictions on the moduli space of physical, non-BPS solutions when compared to their BPS analogs. For large holonomy the scaling non-BPS solution always has closed time-like curves while for smaller holonomy there is a "gap" in the non-BPS moduli space relative to the BPS counterpart.

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