Gravitational wave interactions in Λ3 models of dark energy
Journal of Cosmology and Astroparticle Physics(2022)
摘要
Abstract We argue that cubic order interactions between two scalar gravitons and one tensor graviton are ubiquitous in models of dark energy where the strong coupling scale is Λ3. These interactions can potentially provide efficient decay channels for gravitational waves. They can also lead to gradient instabilities of the scalar perturbations in the presence of large amplitude gravitational waves, e.g. those detected by LIGO/Virgo. In contrast with models in scalar-tensor theories, there is an infinite number of higher order interactions in generic Λ3 models, which make it difficult to predict the fate of these instabilities inferred from cubic order interactions.
更多查看译文
关键词
gravitational wave interactions,dark energy
AI 理解论文
溯源树
样例
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要