A model for time-dependent cosmological constant and its consistency with the present Friedmann universe
High Energy Physics - Theory
2009-11-07 v2
Abstract
We use a model where the cosmological term can be related to the chiral gauge anomaly of a possible quantum scenario of the initial evolution of the universe. We show that this term is compatible with the Friedmann behavior of the present universe.
Keywords
Cite
@article{arxiv.hep-th/0202169,
title = {A model for time-dependent cosmological constant and its consistency with the present Friedmann universe},
author = {M. Novello and J. Barcelos-Neto and J. M. Salim},
journal= {arXiv preprint arXiv:hep-th/0202169},
year = {2009}
}
Comments
5 pages, Revtex 4, twocolumn (minor corrections and improved reference list. To appear in Classical and Quantum Gravity)