Entropic Cosmology Outperforms ΛCDM in Observational Tests
Published:Dec 26, 2025 18:08
•1 min read
•ArXiv
Analysis
This paper challenges the standard ΛCDM model of cosmology by proposing an entropic origin for cosmic acceleration. It uses a generalized mass-to-horizon scaling relation and entropic force to explain the observed expansion. The study's significance lies in its comprehensive observational analysis, incorporating diverse datasets like supernovae, baryon acoustic oscillations, CMB, and structure growth data. The Bayesian model comparison, which favors the entropic models, suggests a potential paradigm shift in understanding the universe's accelerating expansion, moving away from the cosmological constant.
Key Takeaways
- •Proposes an entropic cosmology as an alternative to the ΛCDM model.
- •Uses a generalized mass-to-horizon scaling relation and entropic force.
- •Employs a comprehensive observational analysis with multiple datasets.
- •Bayesian model comparison favors entropic models over ΛCDM.
- •Suggests an entropic origin for cosmic acceleration.
Reference
“A Bayesian model comparison indicates that the entropic models are statistically preferred over the conventional $Λ$CDM scenario.”