论文标题

从重新归一化组流到宇宙学

From renormalization group flows to cosmology

论文作者

Platania, Alessia

论文摘要

根据渐近安全性猜想,重力重新归一化组的流动具有紫外线固定点,使理论可重新分配和紫外线完整。该固定点的存在需要在短距离内进行重力相互作用的抗验。在本文中,我们回顾了渐近安全性的现象学现象学的最先进,重点介绍了引力抗验证在宇宙学中的含义。

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.

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