The electrostatic view on M-theory LLM geometries

The electrostatic view on M-theory LLM geometries
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M 理论 LLM 几何的静电观点

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发表时间:
2010
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通讯作者:
J. Simón
J. Simón
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作者:
Aristomenis Donos;J. Simón

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我们描述了$ mathbb{R}的几何形状 艾美斯 ext{SO}}(3) 艾美斯 ext{SO}}(6) 艾美斯 ext{U}}(1)用静电变量描述LLM中不变的半BPS M理论构型。我们讨论了正则构型,如AdS 4 × S7和AdS 7 × S4真空或简单激发解,以及奇异构型,如超级巨星几何。这使我们能够确定适当的边界条件,描述最一般的光滑和超级明星般的奇异配置。我们还计算了它们的质量,与微观解释的预期结果相匹配,但现在是在有限的曲率半径下。
We describe the geometry of the $ mathbb{R} imes { ext{SO}}(3) imes { ext{SO}}(6) imes { ext{U}}(1) $ invariant half-BPS M-theory configurations considered in LLM in terms of their electrostatic variables. We discuss both regular configurations, such as AdS4 × S7 and AdS7 × S4 vacua or simple excited solutions, and singular ones such as the superstar geometries. This allows us to identify the appropriate boundary conditions describing the most general smooth and superstar-like singular configurations. We also compute their masses, matching the expected result from their microscopic interpretation, but now at finite radius of curvature.