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arXiv 1105.0938gr-qchep-th
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重力/CFT对应

The gravity/CFT correspondence

Henrique Gomes, Sean Gryb, Tim Koslowski, Flavio Mercati

摘要:

广义相对论可以用空间外尔不变的规范理论来表述,称为形状动力学。使用这个公式,我们建立了一个“散装/散装”的对偶引力和Weyl不变理论的类空柯西超曲面。这种对偶性有两个直接的结果:i)它简单地导致了广义相对论和边界CFT之间相应的“体/边界”对偶性,ii)边界可以用规范不变的方式定义。此外,相应的体积/边界对偶性足以解释大部分支持规范/引力对偶性的证据,并为AdS/CFT对应提供了独立的证据。

英文摘要:

General Relativity can be formulated in terms of a spatially Weyl invariant gauge theory called Shape Dynamics. Using this formulation, we establish a "bulk/bulk" duality between gravity and a Weyl invariant theory on spacelike Cauchy hypersurfaces. This duality has two immediate consequences: i) it leads trivially to a corresponding "bulk/boundary" duality between General Relativity and a boundary CFT, and ii) the boundary can be defined in a gauge-invariant way. Moreover, the corresponding bulk/boundary duality is sufficient to explain a large portion of the evidence in favor of gauge/gravity duality and provides independent evidence for the AdS/CFT correspondence.

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