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arXiv 1201.0449hep-th
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酉截断与临界引力:一个玩具模型

Unitary Truncations and Critical Gravity: a Toy Model

Eric A. Bergshoeff, Sjoerd de Haan, Wout Merbis, Massimo Porrati, Jan Rosseel

摘要:

我们研究了一个高导数标量场模型在一个固定的d+1维AdS背景作为一个玩具模型的引力对偶的高阶对数CFT。边界上的全息两点关联函数与高阶LCFT关联函数一致。对于奇秩,该理论允许截断到具有非负标积的非平凡子空间。我们讨论了高导数临界引力理论的可能影响。

英文摘要:

We investigate a higher-derivative scalar field model in a fixed d+1 dimensional AdS background as a toy model for a gravitational dual to a higher-rank logarithmic CFT. The holographic two-point correlation functions on the boundary agree with higher-rank LCFT correlation functions. For odd rank, the theory allows for a truncation to a nontrivial subspace with non-negative scalar product. We discuss possible implications for higher-derivative critical gravity theories.

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