High Energy Physics - Theory
[Submitted on 4 Mar 2024
(v1)
, last revised 1 Jul 2024 (this version, v2)]
Title: Physical running of couplings in quadratic gravity
Title: 二次引力中耦合的物理跑动
Abstract: We argue that the well-known beta functions of quadratic gravity do not correspond to the physical dependence of scattering amplitudes on external momenta, and derive the correct physical beta functions. Asymptotic freedom turns out to be compatible with the absence of tachyons.
Submission history
From: Gabriel Menezes [view email][v1] Mon, 4 Mar 2024 19:00:05 UTC (142 KB)
[v2] Mon, 1 Jul 2024 14:13:52 UTC (144 KB)
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