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A new coupled three-form dark energy model and implications for the H0 tension
- Source :
- Physics of the Dark Universe. 30:100729
- Publication Year :
- 2020
- Publisher :
- Elsevier BV, 2020.
-
Abstract
- We propose a new coupled three-form dark energy model to relieve the Hubble tension in this paper. Firstly, by performing a dynamical analysis with the coupled three-form dark energy model, we obtain four fixed points, including a saddle point representing a radiation dominated Universe, a saddle point representing a matter dominated Universe, and two attractors representing two saturated de Sitter Universes. Secondly, by confronting the coupled three-form dark energy model and the Λ cold dark matter model (the Λ CDM model) with cosmic microwave background (CMB), baryonic acoustic oscillations (BAO), Type Ia supernovae (SN Ia) observations, we obtain H 0 = 67 . 8 − 0 . 6 + 0 . 7 ( 1 σ level) km/s/Mpc for the coupled three-form dark energy model and H 0 = 67 . 6 − 0 . 5 + 0 . 5 ( 1 σ level) km/s/Mpc for the Λ CDM model, the former is in strong tension with the latest local measured H 0 value at 4 . 3 σ confidence level, while the latter is in strong tension with the latest local measured H 0 value at 5 . 1 σ level.
- Subjects :
- Physics
Cold dark matter
010308 nuclear & particles physics
media_common.quotation_subject
Cosmic microwave background
Astronomy and Astrophysics
Astrophysics::Cosmology and Extragalactic Astrophysics
Astrophysics
01 natural sciences
Universe
Baryon
Space and Planetary Science
De Sitter universe
Saddle point
0103 physical sciences
Dark energy
Baryon acoustic oscillations
010303 astronomy & astrophysics
media_common
Subjects
Details
- ISSN :
- 22126864
- Volume :
- 30
- Database :
- OpenAIRE
- Journal :
- Physics of the Dark Universe
- Accession number :
- edsair.doi...........6aa0b893a47b3867b2c1919f4b141fee
- Full Text :
- https://doi.org/10.1016/j.dark.2020.100729