Exponential Decay for Small Non-Linear Perturbations of Expanding Flat Homogeneous Cosmologies
General Relativity and Quantum Cosmology
2016-08-25 v1
Abstract
It is shown that during expanding phases of flat homogeneous cosmologies all small enough non-linear perturbations decay exponentially. This result holds for a large class of perfect fluid equations of state, but notably not for very ``stiff'' fluids as the pure radiation case.
Keywords
Cite
@article{arxiv.gr-qc/9902006,
title = {Exponential Decay for Small Non-Linear Perturbations of Expanding Flat Homogeneous Cosmologies},
author = {Oscar A. Reula},
journal= {arXiv preprint arXiv:gr-qc/9902006},
year = {2016}
}