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How the Dark Energy Can Reconcile \textit{Planck} with Local Determination of the Hubble Constant

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arxiv 1606.05965 v2 pith:OSNIM6RJ submitted 2016-06-20 astro-ph.CO gr-qchep-phhep-th

Qing-Guo Huang , Ke Wang This is my paper · ORCID
classification astro-ph.COgr-qchep-phhep-th
keywords darkenergydeterminationconstantdatahubblelocalplanck
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abstract

We try to reconcile the tension between the local 2.4\% determination of Hubble constant and its global determination by $\textit{Planck}$ CMB data and BAO data through modeling the dark energy variously. We find that the chi-square is significantly reduced by $\Delta\chi^2_\text{all}=-6.76$ in the redshift-binned dark energy model where the $68\%$ limits of the equation of state of dark energy read $w(0\leq z\leq 0.1)=-1.958_{-0.508}^{+0.509}$, $w(0.1< z\leq 1.5)=-1.006_{-0.082}^{+0.092}$, and here $w(z>1.5)$ is fixed to $-1$.

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Cited by 4 Pith papers

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

  1. Implicit Likelihood Inference and $z$-Binned Reconstruction of Dark Energy $w(z)$

    astro-ph.CO 2026-08 conditional novelty 6.0 of 10

    Simulation-based inference with seven dark-energy bins yields w0 = -0.90 ± 0.05, a marginal ~2σ preference for w > -1 at low redshift, while all other constrained bins agree with ΛCDM.

  2. Dark Neutrino interactions phase out the Hubble tension

    hep-ph 2019-08 conditional novelty 5.0 of 10

    Dark matter-neutrino interactions that block neutrino free streaming shift CMB acoustic peaks and reduce the Hubble tension from about 3.8σ to about 2.1σ in a fit to Planck and WiggleZ data.

  3. Interacting dark energy in the early 2020s: a promising solution to the $H_0$ and cosmic shear tensions

    astro-ph.CO 2019-08 conditional novelty 5.0 of 10

    An interacting dark energy model with coupling proportional to the dark energy density alleviates the H0 and S8 tensions in Planck 2018 data but is not preferred once BAO and supernova data are included.

  4. In the Realm of the Hubble tension $-$ a Review of Solutions

    astro-ph.CO 2021-03 unverdicted novelty 2.0 of 10

    A review summarizing the Hubble constant tension and proposed solutions from new physics that restore agreement between Planck CMB data and local H0 measurements within 1-2 sigma.

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