A parameterized equation of state for dark energy and Hubble Tension

arXiv:2512.12697 · gr-qc, astro-ph.CO · Submitted 2025-12-14 · Read on arXiv

gr-qc, astro-ph.CO

Submitted: 2025-12-14

Updated: 2026-08-28

Terminology

• Hubble Tension — 13× in this paper · explained in 9 episodes
• Clustering — 5× in this paper · explained in 2 episodes
• Consistency — 4× in this paper · explained in 3 episodes
• Quintessence — 3× in this paper · explained in 2 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Core — 1× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Decoupling — 1× in this paper · explained in 2 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Matter Power Spectrum — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• Quintessence, Cosmic Coincidence, and the Cosmological Constant
• The age problem in $\Lambda$CDM model
• Cosmological Magnetic Fields: Their Generation, Evolution and Observation
• The H0 trouble: Confronting Non-thermal Dark Matter and Phantom Cosmology with the CMB, BAO, and Type Ia Supernovae data
• Planck 2018 results. VI. Cosmological parameters
• 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
• Cosmology Intertwined II: The Hubble Constant Tension
• The Hubble Tension Survey: A Statistical Analysis of the 2012-2022 Measurements
• Tensions between the Early and the Late Universe
• Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• A New Master Supernovae Ia sample and the investigation of the $H_0$ tension
• A new parametrization of Hubble function and Hubble tension
• Parametrizing the Hubble function instead of dark energy: Many possibilities
• The Changing Fractions of Type Ia Supernova NUV-Optical Subclasses with Redshift
• Resolving the Hubble Tension with New Early Dark Energy
• Possible evidences for physics beyond $\Lambda$CDM from DESI DR2 data
• DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
• Reconstruction of the scalar field potential in nonmetricity gravity through Gaussian processes
• CPL-parametrized cosmic expansion in Galileon gravity: Constraints from recent data

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