Checking the second law at cosmic scales
Cosmology and Nongalactic Astrophysics
2025-12-02 v2 General Relativity and Quantum Cosmology
Abstract
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 consistent with previous studies of the same question.
Cite
@article{arxiv.2309.12298,
title = {Checking the second law at cosmic scales},
author = {Narayan Banerjee and Purba Mukherjee and Diego Pavón},
journal= {arXiv preprint arXiv:2309.12298},
year = {2025}
}
Comments
11 pages, 7 sets of figures, version accepted for publication in JCAP