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Oscillating dark energy in light of the latest observations and its impact on the Hubble tension

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arxiv 2403.18968 v1 pith:TDEFHXAT submitted 2024-03-27 astro-ph.CO gr-qc

classification astro-ph.COgr-qc
keywords modelsoscillatingdifferenthubbletensioncriteriadatainformation
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abstract

In this paper we have performed a comparative study of different types of oscillating dark energy models using the Metropolis algorithm of MCMC. Eight different oscillating parameterization being examined herein which have demonstrated considerable ability to fit the overall cosmological observations including Pantheon sample of SnIa, Baryon Acoustic Oscillations, Cosmic Chronometer Hubble data and distance priors of Planck CMB. In order to compare the consistency of these models with observations, we have used both Akaike and Deviation information criteria. Although, the values of Akaike information criteria for different models indicate that there is no support for oscillating DE models, Deviation information criteria showed that there is significant support for some of these models. Our results showed that these models are capable of solving cosmic coincidence problem and alleviating the Hubble tension. Comparing the $H_0$ values obtained for different oscillating scenarios, with that of $\Lambda$CDM, we observe that our oscillating models led to $\bar{H_0}=69.78$ which is $0.29$ greater than $H_{0,\Lambda}$ and thus reduce the Hubble tension. Among all of models, Model(1) with $H_0=70.00 \pm 0.71$ is the most capable of alleviating the $H_0$ tension. Furthermore, we examined our models assuming $H_0=73.0 \pm 1.4$ from SHoES measurements. We find that adding this data point to our data combination, led to a $\Delta \bar{H_0}=0.95$ increase in $H_0$ value for different models.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. BAO miscalibration cannot rescue late-time solutions to the Hubble tension

    astro-ph.CO 2025-10 accept novelty 6.0 of 10

    Even after rescaling BAO data to prefer H0≈73 km/s/Mpc, none of six tested late-time dark-energy models can resolve the Hubble tension once unanchored SNeIa and CMB geometry are included.

  2. An overview of what current data can (and cannot yet) say about evolving dark energy

    astro-ph.CO 2025-02 conditional novelty 4.0 of 10

    The apparent preference for evolving dark energy depends strongly on which supernova catalog and which BAO survey are used, and is not robust across all independent data combinations.

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