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arXiv 2204.08007hep-thhep-ph
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量子引力的可重正化幺正Lorentz不变模型

Renormalizable and unitary Lorentz invariant model of quantum gravity

S. A. Larin

摘要:

我们分析了R + R2量子引力模型,其中曲率张量中的二次项被添加到广义相对论作用量中。这个模型最近被证明是一个自洽的引力量子理论,既可重整化又是么正的。在天体物理学和宇宙学尺度上,通过适当选择参数,该模型实际上与广义相对论没有区别。

英文摘要:

We analyze the R + R2 model of quantum gravity where terms quadratic in the curvature tensor are added to the General Relativity action. This model was recently proved to be a self-consistent quantum theory of gravitation, being both renormalizable and unitary. The model can be made practically indistinguishable from General Relativity at astrophysical and cosmological scales by the proper choice of parameters.

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