2 papers
astro-ph.CO2025
Hints of noncold dark matter? Observational constraints on barotropic dark matter with a constant equation of state parameter
Yan-Hong Yao, Jian-Qi Liu
This study investigates the potential of a cosmological model termed DM, in which a cosmological constant play the role of dark energy and dark matter is barotropic and has a…
astro-ph.CO2025
Narrowing down the Hubble tension to the first two rungs of distance ladders
Lu Huang, Rong-Gen Cai, Shao-Jiang Wang +2
The decade-persistent Hubble tension has become a crisis of modern cosmology between the early-Universe extrapolation from globally fitting the standard CDM to Planck-CMB…