2 papers
astro-ph.CO2024
A comprehensive data-driven odyssey to explore the equation of state of dark energy
Bikash R. Dinda, Narayan Banerjee
For the first time, we reconstruct the dark energy equation of the state parameter from the combination of background and perturbation observations, specifically combining the…
astro-ph.CO2023
Checking the second law at cosmic scales
Narayan Banerjee, Purba Mukherjee, Diego Pavón
Based on recent data about the history of the Hubble factor, it is argued that the second law of thermodynamics holds at the largest scales accessible to observation. This is consi…