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arXiv 1306.5059hep-thgr-qc
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高维临界高阶引力

Critical Higher Order Gravities in Higher Dimensions

Nahomi Kan, Koichiro Kobayashi, Kiyoshi Shiraishi

摘要:

我们表明,高阶引力模型提出的迈斯纳和Olechowski有一个引力子模式,一个大规模的自旋2激发,没有标量模式在一个最大对称时空,因此,通过选择系数,我们可以构建一个拉格朗日的“临界引力”从高阶项的曲率在高维。并对高阶引力下的多临界理论的构造作了评述。

英文摘要:

We show that the higher order gravity model proposed by Meissner and Olechowski has a graviton mode, a massive spin-two excitation and no scalar mode in a maximally symmetric spacetime; therefore, by choosing the coefficients, we can construct a Lagrangian for `critical gravity' from higher order terms of curvatures in higher dimensions. We also give a comment on construction of the theory with multi-criticality in higher order gravities.

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