Can cosmic voids ease the Hubble tension? Local expansion in w 0w a CDM

arXiv:2607.20257 · astro-ph.CO, gr-qc · Submitted 2026-07-22 · Read on arXiv

Tommaso Moretti, Noemi Frusciante, Giovanni Verza

astro-ph.CO, gr-qc

Submitted: 2026-07-22

Comments: 22 pages, 11 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Hubble Tension — 13× in this paper · explained in 9 episodes
• Benchmark — 6× in this paper · explained in 2 episodes
• Consistency — 5× in this paper · explained in 3 episodes
• Homogeneity — 3× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Dark Energy Survey — 1× in this paper
• Degeneracy — 1× in this paper · explained in 3 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Weak Lensing — 1× in this paper · explained in 2 episodes

Sources

• A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km/s/Mpc Uncertainty from the Hubble Space Telescope and the SH0ES Team
• Small Magellanic Cloud Cepheids Observed with the Hubble Space Telescope Provide a New Anchor for the SH0ES Distance Ladder
• Planck 2018 results. VI. Cosmological parameters
• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• The Carnegie-Chicago Hubble Program. VIII. An Independent Determination of the Hubble Constant Based on the Tip of the Red Giant Branch
• In the Realm of the Hubble tension $-$ a Review of Solutions
• Accelerating Universes with Scaling Dark Matter
• Exploring the Expansion History of the Universe
• DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
• Constraints on Dynamical Dark Energy from Multiple Probes in the Full Dark Energy Survey
• Evolving Dark Energy or Supernovae Systematics?
• A Local Hubble Bubble from SNe Ia?
• Improved Distances to Type Ia Supernovae with Multicolor Light Curve Shapes: MLCS2k2
• Evidence for a ~300 Mpc Scale Under-density in the Local Galaxy Distribution
• The Local Hole revealed by galaxy counts and redshifts
• Observational evidence for a local underdensity in the Universe and its effect on the measurement of the Hubble Constant
• Confronting Lemaitre-Tolman-Bondi models with Observational Cosmology
• Rendering Dark Energy Void
• Testing the Copernican principle by constraining spatial homogeneity
• Probing spatial homogeneity with LTB models: a detailed discussion

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