According to the asymptotic-safety conjecture, the gravitational renormalization group flow features an ultraviolet-attractive fixed point that makes the theory renormalizable and ultraviolet complete. The existence of this fixed point entails an antiscreening of the gravitational interaction at short distances. In this paper we review the state-of-the-art of phenomenology of Asymptotically Safe Gravity, focusing on the implications of the gravitational antiscreening in cosmology.

中文翻译：

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从重归一化的群流到宇宙学

根据渐近安全猜想，引力重归一化群流具有一个吸引紫外线的固定点，这使理论可重新归一化并完成了紫外线。该固定点的存在需要在短距离内对重力相互作用进行反屏蔽。在本文中，我们回顾了渐近安全重力现象学的最新技术，重点研究了重力反筛选在宇宙学中的意义。