Probing a cosmological model with a $\Lambda = \Lambda_0 + 3\beta H^2$ decaying-vacuum
General Relativity and Quantum Cosmology
2013-11-01 v1 Cosmology and Nongalactic Astrophysics
Abstract
In this work we study the evolution of matter-density perturbations for an arbitrary model, and specialize our analysis to the particular phenomenological law . We study the evolution of the cosmic star formation rate in this particular dark energy scenario and, by constraining the parameter using both the age of the universe and the cosmic star formation rate curve, we show that it leads to a reasonable physical model for .
Keywords
Cite
@article{arxiv.1310.8571,
title = {Probing a cosmological model with a $\Lambda = \Lambda_0 + 3\beta H^2$ decaying-vacuum},
author = {Dennis Bessada and Oswaldo D. Miranda},
journal= {arXiv preprint arXiv:1310.8571},
year = {2013}
}
Comments
Published in Physical Review D