Scale Symmetry and Weinberg's No-go Theorem in the Cosmological Constant Problem

Ichiro Oda

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arXiv · 1812.09864

Scale Symmetry and Weinberg's No-go Theorem in the Cosmological Constant Problem

Ichiro Oda

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Abstract

We complete the proof of Weinberg's no-go theorem on the cosmological constant problem in classical gravity when the theory has a (global) scale symmetry. Stimulated with this proof, we explore a solution to the cosmological constant problem by the help of renormalization group equations. We find that the manifestly scale invariant regularization method provides a physically plausible solution to the cosmological constant problem, in particular, to the issue of radiative instability of the cosmological constant.

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Ichiro Oda. 2018-12-24. Scale Symmetry and Weinberg's No-go Theorem in the Cosmological Constant Problem. https://arxiv.org/abs/1812.09864

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