A quintessence dynamical dark energy model from ratio gravity

Author:

Liu Jackie C. H.ORCID

Abstract

AbstractBased on the work of ratio gravity developed in 2018, which postulates the deformation of the cross ratio to associate with the physical model of gravity, we develop a mechanism to generate dynamical dark energy – a quintessence field coupled with gravity. Such model causes the dark energy behaving differently in early and late time universe. In the radiation-dominated-era and matter-dominated-era, the related analytical solutions of the quintessence field have an interesting property – starting as a constant field, then oscillating as the universe expands. By Markov Chain Monte Carlo search of the parameter space with the local measurement (Type Ia supernovae) in the Bayesian framework, the probed range of $$H_0$$ H 0 (within $$1\sigma $$ 1 σ ) overlaps the $$H_0$$ H 0 value inferred from Planck CMB dataset by $$\Lambda $$ Λ CDM model.

Publisher

Springer Science and Business Media LLC

Subject

Physics and Astronomy (miscellaneous),Engineering (miscellaneous)

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A phenomenological approach to the dark energy models in the Finsler–Randers framework;Annals of Physics;2024-11

2. Dynamical system analysis of quintessence dark energy model;International Journal of Geometric Methods in Modern Physics;2024-07-09

3. f(T, B) gravity with statistically fitting of H(z);Communications in Theoretical Physics;2023-08-10

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