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arXiv 0903.0719hep-th
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极值非BPS黑洞的组成模型

Constituent Model of Extremal non-BPS Black Holes

Eric Gimon, Finn Larsen, Joan Simon

摘要:

我们将四维极端非BPS黑洞解释为四个1/2-BPS组分的阈值束缚态。我们验证了探针近似中的每个原始成分的无力条件。我们的计算是一个种子解决方案与$\bar{D0}-D4$收费和平等的$B$ -领域,但对称性扩展的结果,任何U-对偶框架。我们给出了$D0-D6$系统的组分模型,并讨论了组分是有角的$D3$膜的对偶框架。我们证明了组成模型的组成D-膜的弱耦合描述的稳定性。讨论了位形空间的BPS分支与非BPS分支之间的关系。

英文摘要:

We interpret extremal non-BPS black holes in four dimensions as threshold bound states of four 1/2-BPS constituents. We verify the no-force condition for each of the primitive constituents in the probe approximation. Our computations are for a seed solution with $\bar{D0}-D4$ charges and equal $B$-fields, but symmetries extend the result to any U-dual frame. We make the constituent model for the $D0-D6$ system explicit, and also discuss a duality frame where the constituents are $D3$ branes at angles. We demonstrate stability of the constituent model in the weak coupling description of the constituent D-branes. We discuss the relation between the BPS and non-BPS branches of configuration space.

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