Inflation from entropy
General Relativity and Quantum Cosmology
2025-12-23 v3 Cosmology and Nongalactic Astrophysics
High Energy Physics - Theory
Abstract
We investigate cosmological solutions for the modified gravity theory obtained from quantum relative entropy between the metric of spacetime and the metric induced by the geometry and matter fields. The vacuum equations admit inflationary solutions, hinting at an entropic origin for inflation. Equations also admit a regime of phantom like behavior. Assuming that the relation between slow roll parameters and CMB observables holds for entropic gravity, the theory predicts a viable spectrum.
Cite
@article{arxiv.2509.23987,
title = {Inflation from entropy},
author = {Udaykrishna Thattarampilly and Yunlong Zheng},
journal= {arXiv preprint arXiv:2509.23987},
year = {2025}
}
Comments
This is the published version of the article, includes corrections mandated by reviewers