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arXiv 0902.3951hep-th
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薄3-膜上的余维2黑洞解及其向体的推广

Codimension-2 black hole solutions on a thin 3-brane and their extension into the bulk

Minas Tsoukalas

摘要:

在这次演讲中,我们讨论了六维引力中的黑洞解,其中在本体中有高斯-博内项,在余维为2的薄3-膜上有诱导引力项。结果表明,这些黑洞可以局域在3-膜上,它们可以进一步扩展到体的翘曲函数。这些解决方案有规则的地平线和没有其他的曲率奇点出现除了弦的。高斯-邦纳项在膜上的投影强加了一个约束关系,它要求额外维度中存在物质,以便维持我们的解。

英文摘要:

In this talk we discuss black hole solutions in six-dimensional gravity with a Gauss- Bonnet term in the bulk and an induced gravity term on a thin 3-brane of codimension-2. It is shown that these black holes can be localized on the 3-brane, and they can further be extended into the bulk by a warp function. These solutions have regular horizons and no other curvature singularities appear apart from the string-like ones. The projection of the Gauss-Bonnet term on the brane imposes a constraint relation which requires the presence of matter in the extra dimensions, in order to sustain our solutions.

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