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- W4309209177 abstract "It has been theorized that Dynamical Dark Energy (DDE) could be a possible solution to the Hubble tension. To avoid the degeneracy between the Hubble parameter $H_0$ and the sound horizon scale $r_d$, in this article we use their multiplication as one parameter $c/left(H_0 r_dright)$ and we use it to infer cosmological parameters for 6 different models - $Lambda$CDM and 5 DDE parametrizations -- the Chevallier-Polarski-Linder (CPL), the Barboza-Alcaniz (BA), the Low correlation (LC), the Jassal-Bagla-Padmanabhan (JBP) and the Feng-Shen-Li-Li model. We choose a dataset that treats this combination as one parameter, that includes the Baryon Acoustic Oscillation (BAO) data $0.11 le z le 2.40$ and additional points from the Cosmic Microwave Background (CMB) Peaks ($z approx 1090$). To them, we add the marginalized Pantehon dataset and GRB dataset. We see that the tension is moved from $H_0$ and $r_d$ to $c/left(H_0 r_dright)$ and $Omega_m$. There is only one model that satisfies the Planck 2018 constraints on both parameters and this is LC with a huge error. The rest cannot fit into both constraints. $Lambda$CDM is preferred with respect to the statistical measures." @default.
- W4309209177 created "2022-11-24" @default.
- W4309209177 creator A5010870214 @default.
- W4309209177 date "2022-11-15" @default.
- W4309209177 modified "2023-09-27" @default.
- W4309209177 title "{DE models with combined $H_0 cdot r_d $ from BAO and CMB dataset and friends" @default.
- W4309209177 doi "https://doi.org/10.48550/arxiv.2211.08139" @default.
- W4309209177 hasPublicationYear "2022" @default.
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